An aluminum smelter becomes part of Oklahoma Republican governor runoff election

A proposed $4 billion aluminum smelter pushed by President Trump is splitting Oklahoma Republicans.

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 in the initial June GOP p