The Republican Party will lose the White House, the Senate and many of its House seats if Donald Trump becomes the party's presidential nominee, according to Karl Rove. “If Mr. Trump is its standard-bearer, the GOP will lose the White House and the Senate, and its majority in the House will fall dramatically,†the Republican wrote in an op-ed for The Wall Street Journal Rove, who was a top adviser to former President George W. Bush, said nominating Sen. Ted Cruz (R-Texas) for president could also be dangerous. “If the nominee is Ted Cruz the situation is still dicey,†he...