Now playing Next USA Sessions likely headed to runoff in Alabama GOP Senate race, Roy Moore won't make it Trump has trashed his former attorney general as the "biggest mistake" of his presidency. 04/03/2020
Now playing Next USA Biden takes Massachusetts, defeating home state Sen. Warren and Sanders, NBC projects Once the favorite, Warren fell to third place in the Bay State 04/03/2020
Now playing Next USA Biden wins Minnesota, after home state Sen. Klobuchar drops out, NBC projects The senator endorsed the former vice president at a rally in Texas. 04/03/2020
Now playing Next world news Super Tuesday: Americans in Europe vote in 'election of our lifetimes' Americans who live overseas also hope to make their voices heard in the Democratic primary elections. 04/03/2020
Now playing Next USA Bloomberg notches first win — in American Samoa, 6000 miles from U.S., NBC projects The former New York City mayor, who has spent $500 million on his race, collected at least four delegates. 04/03/2020
Now playing Next USA Five takeaways from Super Tuesday Joe Biden has resurged, winning 9 states on Super Tuesday. Bernie Sanders takes California. Here are five Super Tuesday facts. 04/03/2020
Now playing Next USA First Super Tuesday polls set to close as Democratic contest heads into crucial stretch A total of 1,344 pledged delegates are at stake — and how they are eventually awarded may determine the party's nominee. 04/03/2020