The evidence is the way President Trump packs arenas wherever he goes to deliver one of his ‘patented’ pep rallies. None of the Democrats’ clown car of would-be candidates is generating anything like the enthusiasm Trump routinely evokes.
Where are people showing up a day or more in advance to ensure a place in the arena? At the Trump rallies, and no place else. You cannot purchase that kind of commitment, and you cannot fake it either. Check out a quote from the Washington Examiner:
Airing President Trump's campaign kickoff rally proved to be a win for Fox News, giving them just under 5 million viewers, which was more than CNN and MSNBC combined.