Tuesday night’s primary elections featured closely watched federal races from sunny South Florida to the frigid Alaskan tundra and two states in between, all of which will help decide whether Republicans maintain control of Congress, or whether Democrats overtake them. Three states also featured critical gubernatorial primary elections. Observers are already using the race results as bellwethers to gauge Trump’s grip over the GOP and the power of...

President Donald Trump is scaling back major joint military exercises with South Korea after Seoul declined to support U.S. operations against Iran, a sharp U-turn with an ally his administration publicly praised just days prior. The move came just three days after Secretary of State Marco Rubio called South Korea an “indispensable partner” and said the allies had entered a “historic new era” of cooperation following Trump’s state...

The special election to fill the seat vacated by former Rep. Eric Swalwell, D-Calif., remained undecided in the early Wednesday morning hours. The battle to succeed Swalwell comes after he resigned in April amid sexual assault allegations from at least five women. Prior to the allegations, Swalwell was also making a bid for California’s gubernatorial race, but he dropped that bid as well. Vying for Swalwell’s seat are...