Pres. Trump announced the death of ISIS leader Abu Bakr al-Baghdadi, and Speaker Pelosi didn't know about the raid that made it happen. Plus, the president went to last night's World Series game, and Rep. John Delaney brought a small donor to Saturday night's game.

Rep. Tim Ryan drops out of the race, and Sen. Amy Klobuchar makes it into the next debate. And, the League of United Latin American Citizens held a town hall in Des Moines last night.

How Sen. Elizabeth Warren saw climate change become a partisan issue, and how the science is getting across to people across the political spectrum.

Facebook says it blocks four networks of social media accounts to prevent election interference; and Julián Castro announces he might not have enough cash on hand to keep the campaign going.

2016 candidate Hillary Clinton says Russia is "grooming" Rep. Tulsi Gabbard for a third-party run. And Sen. Bernie Sanders has biggest Democratic campaign event this season so far.

While controversy swirls at the White House, the Chicago Teachers Union goes on strike, and retired admiral Joe Sestak walks 105 miles across New Hampshire.

Reps. Alexandria Ocasio-Cortez and Ilhan Omar, two members of the Squad, endorsed Sen. Bernie Sanders. Plus, some candidates are spending more than they're raising.

12 candidates took the stage last night in Ohio for the fourth Democratic debate, covering issues from health care to the Turkish invasion of Syria, and Sen. Elizabeth Warren replaced former VP Joe Biden as the centerstage target.

Tonight, twelve candidates will take the fourth Democratic debate stage in Westerville, Ohio. Rep. Tulsi Gabbard will be there, despite considering a boycott of the event.