Previewing the PBS NewsHour/POLITICO debate ... the 10 hopeful candidates onstage used to help differentiate themselves. Sen. Elizabeth Warren started off the first Democratic presidential debate ...

Tonight marks the first time either candidate has taken the debate stage since the 2020 presidential race, and the first time in U.S. history that an incumbent will debate a former president.

There are two Democratic presidential candidates from Massachusetts — but it’s looking increasingly likely that only one will make the party’s first round of debates next month. Senator ...