Mubarak tried this for years with the Muslim Brotherhood. And everyone in Gaza will tell you that Hamas is just part of the political landscape. Intolerance, from Haaretz:
Prime Minister Benjamin Netanyahu warned Monday that reconciliation between the Palestinian Authority and Hamas could spell the end of the peace process, after an aide to Mahmoud Abbas said that the Palestinian president was would be willing to give up U.S. aid if needed to secure unity with the rival faction.
"You can't have peace with both Israel and Hamas," Netanyahu said. "Choose peace with Israel."