"I think there is now a very broad consensus that this slow patch is not going to develop into a double dip recession and despite the slow GDP growth in the second quarter, another good quarter of corporate earnings. So I think there's some good things that are coming through that are more than just what we expect tomorrow from the FOMC."
Back in March he thought there'd be a mid-year correction as the Fed started raising rates. The Europe sovereign debt crisis threw him a curve ball.
Siegel was also interviewed at IndexUniverse.com where he said Treasury yields remind him of the 1960s (low rates, low inflation), keep reading.