How Trump's Don Blankenship tweet could make things interesting if he wins

Should Tuesday turn out well for Don Blankenship, President Trump’s decision to step into the West Virginia Republican Senate primary could have an interesting effect.

Having deemed Blankenship unelectable against Democratic incumbent Sen. Joe Manchin, D-W.Va., Trump on Monday followed his son Don Jr.’s lead and tweeted a request that West Virginia voters support other candidates. In a state where the president’s popularity is high, his endorsement (or anti-endorsement) could carry significant weight with Republican voters.