Bitter Oklahoma governor's runoff tests Trump's endorsement power

President Trump faces one of the last major primary tests of his endorsement power on Tuesday in Oklahoma, where his pick for governor is battling in a tough runoff. His pick, Republican Mike Mazzei, finished less than a percentage point behind rival Oklahoma Attorney General Gentner Drummond (R) in the initial June GOP primary, as a...

President Trump faces one of the last major primary tests of his endorsement power on Tuesday in Oklahoma, where his pick for governor is battling in a tough runoff. His pick, Republican Mike Mazzei, finished less than a percentage point behind rival Oklahoma Attorney General Gentner Drummond (R) in the initial June GOP primary, as a...