From
MSNBC:
The United States strengthened its offer of support for President Mahmoud Abbas on Saturday, telling him an international aid embargo against the Palestinians would end as soon as he forms a new government without Hamas, aides to Abbas and a Western diplomat said.
The Palestinians knew that electing Hamas would probably result in general ugliness. I think I understand why they did it, but they still knew the consequences.
The easiest solution, IMO, would have been for Fatah--backed by Israel and the US--to wipe out Hamas in Gaza. Of course, that too would have had some serious consequences down the line.
I dunno...sometimes, I think Abbas could be tougher. But given the general ugliness over there, maybe he's made the best moves he can.