It may fall a little further but the Fed is not going to let it fall too far because that would wreck plans to revive the mortgage market.
A couple of Fed officials have given speeches this month referring to the possibility of the Fed's buying the long bond.
Europe and Asia are still melting down, countries all but going bankrupt (Spain, Ireland) and I cannot see all of this melt- down turning on a dime.
I have switched back and forth several times between long and short and have just taken off all my shorts and built a modest long position again. I will add to it on further weakness.