By Jan Wolfe (Reuters) -The founder of the Oath Keepers militia, Stewart Rhodes, will remain in jail until his seditious conspiracy trial for allegedly helping plot the assault on the U.S. Capitol, a U.S. judge said, calling him a “clear and convincing danger.” U.S. District Judge Amit Mehta said during a Friday court hearing that Rhodes spent thousands of dollars on weapons and other equipment ahead of the Jan. 6, 2021, attack on the Capitol by Donald Trump’s supporters and also made “substantial purchases” of weapons afterwards. “He presents a clear and convincing danger, in my view,” Mehta …