Trump, Clinton feud by tweet-storm over beauty queen
WASHINGTON: In an extraordinary clash that took an already bitter presidential contest down into the gutter, Donald Trump on Friday urged voters to check out an alleged "sex tape" of a former Miss Universe who backs Hillary Clinton, provoking the Democrat to fire back that he is "unhinged."
In a pre-dawn tweet-storm of a sort guaranteed to grab attention, the Republican accused Clinton of helping Alicia Machado get US citizenship in order to exploit her during their presidential debate this week.
The Venezuela-born…