Heidi Glenn

WATCH: The CBS News Vice Presidential Debate Simulcast On NPR

NPR will offer live coverage, including live updates online, of the ABC News Presidential Debate Simulcast on Tuesday. Tune in to NPR's live on-air coverage starting at 9 p.m. ET.

Former President and GOP nominee Donald Trump is expected to speak at 10 p.m. ET. NPR's live special video coverage will begin at 9 p.m. ET.

Votes will be tallied in 16 states and one territory on Super Tuesday, March 5. Listen to NPR’s live coverage starting at 8 p.m. ET.

Voting concludes Tuesday in New Hampshire’s first-in-the-nation presidential primary election. Stream NPR’s live audio coverage starting at 7 p.m. ET.

The first U.S. presidential contest of the 2024 election begins Monday night, with results from the Iowa caucuses coming throughout the evening. Stream NPR’s live audio coverage starting at 8 p.m. ET.

It was a subtle gesture: As actress Selma Blair delivered remarks to an audience at the White House, Scout, her service dog, laid down next to her and then gently flopped over on Biden’s shoe.

Vice President Kamala Harris and House Speaker Nancy Pelosi sat behind Biden during his joint address to Congress last year, but that speech was not an official State of the Union address.

The United States sanctioned Russian President Vladimir Putin and Foreign Minister Sergey Lavrov, according to White House press secretary Jen Psaki.

Mayor Charles Burkett tells NPR that video of the collapse shows that “it was obvious that these buildings just sort of came straight down on top of each other.”