Joe Biden spoke Friday during a campaign stop at Dartmouth College.

Joe Biden, evoking 1968, asks audience to imagine Obama’s assassination

“Imagine what would have happened,” said Biden, “if, God forbid, Barack Obama had been assassinated after becoming the de facto nominee. What would have happened in America?”

Mayor Martin J. Walsh.

Walsh reportedly not ruling out Senate run if seat were to become open

Mayor Martin J. Walsh isn’t ruling out the possibility of running for Senate if a seat were to become open, the New York Times reported Friday.

Joe Biden spoke to potential voters Friday on the Dartmouth College campus in Hanover, N.H., during a campaign swing through New England.

ground game

Joe Biden’s front-runner status in the primary is undeniable. Why?

Some say it’s the prominence of two candidates to his left. His supporters say it’s because he’s effectively made the argument that he’s the most electable candidate in the party.

President Trump.

Trump says he’s raising tariffs on China after its retaliation

After markets in the United States, Asia, and Europe tumbled Friday, the president tweeted that duties on $250 billion of imports already in effect will rise to 30 percent from 25 percent on Oct. 1.

Representative Seth Moulton.

Seth Moulton dropping out of Democratic presidential primary race

Representative Seth Moulton is ending his bid for the Democratic presidential primary nomination, he told the Globe Thursday.

David Koch in 2015.

David Koch, industrialist who funded conservatives, dies at 79

Mr. Koch used his fortune to transform American politics while also donating more than $1 billion to philanthropic causes.

Seth Moulton’s presidential campaign has struggled to get traction. Above: Moulton campaigned in New Hampshire on Sunday.

KEVIN CULLEN

Politics is all about timing, and it isn’t Seth Moulton’s time

Like his beloved baseball team, the one that plays at Fenway Park, this does not appear to be Moulton’s year.

Democratic candidate for the Massachusetts 10th congressional district, Bill Keating, celebrates his victory, in Quincy, Mass., Tuesday night, Nov. 2, 2010. (AP Photo/)

Representative Bill Keating comes out in favor of impeachment inquiry

Congressman Bill Keating said on Thursday that he is in favor of beginning an impeachment inquiry against President Trump.

Basketball legend Bob Cousy shook hands with President Trump on Thursday after receiving the  Presidential Medal of Freedom.

Celtics legend Bob Cousy receives Presidential Medal of Freedom

Cousy was honored for his play on the court and his support for black teammates off it.

Former White House press secretary Sarah Sanders.

Sarah Huckabee Sanders to join Fox News as contributor

The former White House press secretary will join Fox News as a contributor, the network announced Thursday.

FILE -- Rep. Joe Walsh (R-Ill.) after speaking at TeaCon 2011 in Schaumburg, Ill., Oct. 1, 2011. Walsh, a conservative radio show host and former Republican congressman from Illinois, is expected to announce his candidacy for president as early as this weekend and present President Trump with a challenger from the right. (Peter Hoffman/The New York Times)

A former congressman and Tea Party Republican considers a challenge to Trump

Joe Walsh, a conservative radio show host and former Republican congressman from Illinois, is expected to announce he is running for president as early as this weekend.

FILE - In this Aug. 10, 2019, file photo, Democratic presidential candidate Washington Gov. Jay Inslee speaks at the Presidential Gun Sense Forum in Des Moines, Iowa. Inslee, who made fighting climate change the central theme of his presidential campaign, announced Wednesday night, Aug. 21, that he is ending his bid for the 2020 Democratic nomination. (AP Photo/Charlie Neibergall, File)

Washington governor Jay Inslee says he’s ending presidential bid

Inslee, who made fighting climate change the central theme of his presidential campaign, announced Wednesday night that he is ending his bid for the 2020 Democratic nomination.

Senator Kirsten Gillibrand listened to state Senator Tom Sherman at Amoskeag Health in Manchester, N.H., Tuesday.

For many presidential candidates, Election Day might as well be next week

While front-runners have secured their spots in next month’s Democratic debate, much of the rest of the field is going gangbusters — with national media and traditional campaigning in the early-nominating states — to meet the requirements to get on the stage.

President Trump offers himself as ‘the chosen one’

President Trump is known to have a healthy ego. But a string of comments Wednesday went to a higher level.

Congresswoman Ayanna Pressley in Boston in July.

New ‘Simpsons’ promo depicts Ayanna Pressley and the ‘Squad’ chasing Trump out of White House

“You’re Boris Johnson without the class,” a cartoon Representative Ayanna Pressley sings to Trump. “Can’t wait to see you behind prison glass.”

President Donald Trump speaks with reporters before departing on Marine One on the South Lawn of the White House, Wednesday, Aug. 21, 2019, in Washington. Trump is headed to Kentucky. (AP Photo/Patrick Semansky)

Trump again says he is open to strengthening gun background checks

President Trump on Wednesday once again backed tighter background checks for gun purchases, but said he wants to be careful that closing what he calls “loopholes” doesn’t clear the way for more gun control.

President Donald Trump pauses while speaking with reporters before departing on Marine One on the South Lawn of the White House, Wednesday, Aug. 21, 2019, in Washington. Trump is headed to Kentucky. (AP Photo/Alex Brandon)

Trump calls comments by Denmark’s prime minister ‘nasty’

Mette Frederiksen called President Trump’s idea to buy Greenland ‘‘an absurd discussion’’ and said she was ‘‘disappointed and surprised’’ that he canceled his visit.

President Trump.

Trump administration plans to end time limits on immigrant child detention

The Department of Homeland Security is moving to end a long-standing federal court agreement that limits how long immigrant children can be kept in detention.

Which one’s Elizabeth Warren? Stephanie Oyen and the Massachusetts senator shook hands Monday night after a rally in Minnesota.

Elizabeth Warren met her doppelganger in Minnesota Monday night

Stephanie Oyen, a Minnesota resident, said she wore a blazer and glasses to the Monday night rally as a gag — but ended up being mistaken for the real Elizabeth Warren.

President Trump.

Trump says would be ‘appropriate’ for Russia to rejoin G-7

President Trump says it would be appropriate for Russia to be readmitted to a group of the world’s major industrial nations.

Track the candidates for president

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2019/02/08/BostonGlobe.com/Politics/Images/CadCollagever2.jpg Tracker: Who’s running for president in 2020?

The 2020 presidential election is still a ways off, but you’re forgiven if you feel like election season is already upon us. Track the candidates here.

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