At some point you have to realize your trade was good and take some profits. Roubini is staying in his trade too long. Things may look bad in the equities market, but that's a reflection of the global economy. The US economy is in much better shape than the rest of the globe now because of the unprecedented actions taken by the Fed. Soon, this nightmare will be over for Americans.
Perhaps there is also something to be learned from viewing complex problems a little to clearly through the lens of one's political ideology.