Rumormill: Who is pushing this Rumor?

"To anyone who’s closely followed the 2016 election, it’s no surprise that Libertarian Party Vice Presidential nominee, Bill Weld, has a long lasting relationship with Hillary Rodham Clinton. In the first Libertarian Townhall on CNN, Weld described his bond with Clinton as being “life long.” He’s also maintained that he believes there was no criminal intent on Hillary’s part in her ongoing email scandal, and Libertarian Party presidential nominee, Gary Johnson, once called Hillary Clinton “a wonderful public servant.”
It’s now being reported by Carl Bernstein, who says “I know Bill Weld and I know how much he despises Donald Trump,” that he thinks the Libertarian Vice Presidential candidate is considering dropping out of the race and perhaps getting behind Hillary Clinton, in an effort to stop Trump.…" IPR