Ben Jealous and Rushern Baker are vying to unseat a popular GOP incumbent.

Katie Arrington, who ousted incumbent South Carolina Rep. Mark Sanford in a Republican congressional primary this month, was seriously injured in a car accident on Friday -- in a wreck that left one person dead.

Corey Stewart, the bombastic conservative who built his public image on championing Confederate symbols, won the Republican Senate nomination in Virginia.

Primaries were held in Virginia, South Carolina, Maine, Nevada and North Dakota

Rep. Mark Sanford, a South Carolina Republican who's a critic of President Donald Trump, will lose his GOP primary to his conservative challenger, state Rep. Katie Arrington, CNN projects.

South Carolina Gov. Henry McMaster is leaning on Trump's support, while Rep. Mark Sanford's criticism of Trump is being used against him.

Following a fresh round of bellwether votes, the party still hasn't shown it can win the districts they need to take control of the House.

First Read is your briefing from "Meet the Press" and the NBC Political Unit on the day's most important political stories and why they matter.

Politics in Alabama have been marred with corruption for years. We look at how these events are playing out in the Republican primary race for governor.

Martha Roby will probably be forced into a runoff Tuesday, two years after ditching Trump in October 2016 over the "Access Hollywood" tape.

There is an ugly paradox that applies only to the left.

Russell Walker recently won the Republican primary and has claimed Jews are satanic, U.S. soldiers are being poisoned by the government and that God is a white supremacist.

Alexandria Ocasio-Cortez, a 28-year-old Latina running her first campaign, ousted 10-term incumbent Rep. Joe Crowley in New York's 14th congressional district on Tuesday, CNN projects, in the most shocking upset of a rollicking political season.

In New York, a progressive challenger defeated U.S. Rep. Joe Crowley, one of the most powerful Democrats in the House

Trump-endorsed McMaster wins South Carolina primary, and Donovan beats Grimm in New York.

An open governor’s seat and a vulnerable Republican House seat.

WASHINGTON (AP) — President Donald Trump is going all-in for a South Carolina governor in a tense runoff election, betting that his last-minute appearance will help make the diffe

Welcome to Pollapalooza, our weekly polling roundup. Poll of the week There’s been a flurry of polls released over the past two weeks in key U.S. Senate races, …

Incumbent Republican South Carolina Rep. Mark Sanford, a frequent Trump critic who the president has lambasted as nothing but trouble and very unhelpful, was ousted in Tuesday night's primary by state Rep. Katie Arrington.