Nouriel Roubini, NYU professor and noted doomsayer, says a correction, driven by multiple economics headwinds, is about to bring this bull rally to an end.

“ ‘It’s voodoo economics. Reagan tried it, Bush tried it... so you might have, by 2020, a perfect storm for the U.S. and the global economy.’ ”

He explained in a chat with Bloomberg that short-term improvement in growth won’t last as “unsustainable” fiscal stimulus turns to fiscal drag.

Watch the interview: