ABC

Christopher Wylie, an ex-employee of Cambridge Analytica confirmed to ABC News that he accepted an invitation to appear for an interview with congressional investigators.

Money was the big winner in a marque Illinois primary race Tuesday night as two multi-millionaires faced off in the governor’s race.

Democrat Conor Lamb and Republican Rick Saccone will face primary contests in the new districts where they are running.

Biden made the comments while speaking at an “It’s on Us” rally.

Congress wants scrutiny of safeguards meant to protect user data.

In one of ABC News’ “18 for ’18” races, the fight between the Democratic party’s progressive and establishment wings has spilled into Illinois 3rd Congressional District.

Over $100 million has been spent by both parties ahead of Tuesday’s election.

The race offers a window into the future of the Democratic Party

The TAKE with Rick Klein

In this year of political turmoil — one that figures to be defined by the opposition to President Donald Trump — the first congressional incumbent to go down could well be a Democrat.

Rep. Dan Lipinski, D-Ill., is in real danger of losing the nomination for his own seat in Tuesday’s Illinois primary.

Lipinski is a self-described “big tent party” Democrat who opposes abortion rights and didn’t support Obamacare or even President Barack Obama’s reelection. Marie Newman’s primary challenge has united outside groups like NARAL with some Obama campaign veterans and Sen. Bernie Sanders’ political operation — while isolating the Democratic Congressional Campaign Committee and House Democratic Leader Nancy Pelosi.

If Newman wins, cue the analyses of Democratic disarray and — to again quote Lipinski — whether there’s a “tea party of the left” set to rock politics — right?

Any incumbent losing a primary is a big deal. But this seat is almost certainly safely in…

Matthew Dowd on why we still have reason to be optimistic about the U.S.