COLUMBIA, S.C. — Nikki Haley isn’t giving up. Despite a dismal primary performance in her own home state of South Carolina, the former U.N. ambassador is making good on her promise to stay in the GOP presidential primary race and is placing her bets on next month’s Super Tuesday contests when 15 states — or just over a third of all delegates — are up for grabs. “America...

The House Republican Conference is bracing for the loss of several top lawmakers at the end of this year, with both rising stars and veteran legislators getting ready to retire after months of chaos. Financial Services Chairman Patrick McHenry, R-N.C., announced he would be leaving in December after 10 terms in Congress. And just this month, Energy and Commerce Committee Chairwoman Cathy McMorris Rodgers, R-Wash.; Homeland Security Committee...