Chan’s competition includes state Sen. Scott Weiner and wealthy former tech executive Saikat Chakrabarti, a co-founder of the progressive group Justice Democrats.

Rep. Thomas Massie, a constant thorn in the side of GOP leaders during his eight terms in Congress, is no stranger to a primary challenge. But this year, President Donald Trump’s fury with the Kentucky libertarian has reached a boiling point.

The Congressional Black Caucus is expected to dramatically lose membership because of the Supreme Court’s redistricting ruling.

Rep. Jen Kiggans, a Virginia Republican, is under fire after she agreed with a comment that Hakeem Jeffries should get his “cotton-picking hands off of Virginia.”