Trump may soon find himself battling 5 Republicans for re-election -- they could help Democrats win the White House - Raw Story

A same-party primary challenge against a sitting president is not unheard of. Five members of a sitting president's party would be extraordinary. Currently, only former Massachusetts governor Bill Weld has officially declared he is running for the Republican nomination for president. ....
https://www.thenewcivilrightsmovement.com/2019/08/trump-may-soon-find-himself-battling-5-republicans-for-re-election-they-could-help-democrats-win-the-white-house/

Trump can be indicted — right now — regardless of DOJ rule: Trump's GOP challenger - Raw Story

President Donald Trump can be indicted right now, a former top Republican prosecutor explained to MSNBC's Lawrence O'Donnell on Thursday. The host of "The Last Word" interviewed Bill Weld, the former Republican governor of Massachuttes who is currently challenging the sitting president for the 2020 GOP nomination. ....
https://www.rawstory.com/2019/07/trump-can-be-indicted-right-now-regardless-of-doj-rule-trumps-gop-challenger/

Bill Weld defends decision to run against Trump, says Republicans ‘want to have no election’ - The Washington Post

In an interview on ABC News's "This Week," Weld also criticized Trump for declaring a national emergency on the border with Mexico. "It's just no way to run a railroad," he said...
https://www.washingtonpost.com/politics/bill-weld-defends-decision-to-run-against-trump-says-republicans-want-to-have-no-election/2019/02/17/d4dabcb2-32c3-11e9-a400-e481bf264fdc_story.html