If you're simply looking at their public statements, Wall Streeters seem to be alarmed about the debt crisis, but don't appear to be sliding into panic mode. In fact, they're just really good actors. Across the financial sector, many are preparing for a debt doomsday scenario, in which the U.S does in fact default, the New York Times reports. Firms are "taking steps to reduce the risk of holding Treasury bonds or angling for ways to make profits from any possible upheaval." It's clear hedge funds have changed gears and many are in heavy de-risking mode, with billion dollar firms...