Donald Trump seems to have faced yet another threat to his life when a man presenting fake VIP credentials was taken into custody after a shotgun, high capacity magazine and loaded handgun was found in his vehicle at a rally over the weekend. Local law enforcement claims the incident is 'probably' a third assassination attempt. But a source close to the Trump campaign says the Riverside County Sheriff is mistaken. 'There was no assassination attempt in CA yesterday,' the source told DailyMail.com. 'A man at a perimeter checkpoint had a gun but there was no incident.' Vem Miller, 49, was...