Was President Donald Trump's Saturday rally in Tulsa, Oklahoma sabotaged by an army of internet-savvy teenagers? That's who's taking credit for the rally's paltry turnout of 6,200 in an arena that holds 19,000. Trump’s campaign had boasted that over 1 million people had signed up to attend the rally, only adding to the embarrassment of a mostly-empty stadium. Teenagers across the country are now taking credit for the disaster. They did it by reserving large amounts of free tickets.