It's an open thread for the Connecticut, Delaware, Maryland, Pennsylvania, and Rhode Island Primaries, known as the "Acela Primary" because all the states lie in the path of the New York to DC express train.

All polls close at 8 pm Eastern. Expect a lot of results all at once.

We'll also be watching the results of the Maryland Democratic Senate Primary. Blue America has endorsed Donna Edwards in that race.

Primary open thread below...

5:00 PM: (Karoli)

Connecticut, Pennsylvania and Maryland called for Trump on the Republican side.

Maryland called for Hillary Clinton on the Democratic side.

5:25 PM: (Karoli)

Rhode Island called for Trump, with Kasich second and Cruz third.

5:30 PM: (Karoli)

Delaware called for Clinton on the Dem side, Trump on GOP side.

6:00 PM: (Karoli)

CNN calls Pennsylvania for Clinton. 6:05, MSNBC calls it too

6:15 PM: (Karoli)

Rhode Island called for Bernie Sanders

6:50 PM: (Karoli)

Maryland Senate primary called for Chris Van Hollen. My heart was with Donna Edwards on that one...

7:30 PM: (Karoli)

Connecticut called for Hillary Clinton.