Israelis, Palestinians hand Obama first challenge (AP)

Palestinian Hamas members hold Islamic flags and a banner, featuring pictures of Israeli leaders, from left to right, Foreign Minister Tzipi Livni, Defense Minister Ehud Barak and Prime Minister Ehud Olmert, march during a protest in the Gaza Strip town of Deir-Al-Balah, Tuesday Jan. 20 , 2009. Israel and Hamas both ceased fire on Sunday, after an offensive that claimed the lives of some 1,300 Palestinians, according to Gaza health officials, and 13 Israelis. The last of Israel's ground troops were expected to pull out of Gaza on Tuesday if the quiet holds, defense officials said. Banner reads in Hebrew and Arabic: 'The killers of the children'.  (AP Photo/Abdullah Asfa)AP – Israelis and Palestinians have already handed President Barack Obama his first international challenge.