He cautiously accepted an invitation to a Palestinian dinner.
Among the scores of Palestinian prisoners who Hamas wants freed in exchange for Israeli Sgt. Gilad Shalit is Marwan Barghouti, the most popular man in Fatah.
Prime Minister Erdogan's popular tirade on Gaza also hurt his credibility.
The din of Gaza followed Obama's Middle East envoy, George Mitchell, as he conducted a listening tour. Arab leaders wonder why their peace plan remains untouched.
On Thursday he named George Mitchell as a special envoy, and he has already signaled that the US will reengage the region.