For a while today, it seemed like Donald Trump's "big ... very big ... very big" bombshell revelation about President Obama, which he has promised to unveil on Twitter tomorrow, might be an anonymous rumor that Obama sold cocaine in college, but Trump's right-hand man, Michael Cohen, has denied it. Trump's scoop is "substantially more important to the American people," Cohen told Daily Caller. Or ... is it? Douglas Kass, a Florida-based investor who appears on CNBC’s talkshow ‘Squawkbox’ where Trump is often a commentator, tweeted to his 48,000 followers: 'High above the Alps my Gnome has heard that Donald Trump will announce...