The attack on Gaza reached a disturbing milestone Monday, as the Palestinian death toll surpassed 100. On Sunday's Up, Chris Hayes's panel - composed of Noura Erakat of Georgetown University, +972 magazine's Noam Sheizaf, Yousef Munayyer of The Jerusalem Fund, and Newsweek's David Frum - traced the context of the current crisis. The question on the table, as laid out by Erakat, is whether "Israel wants a diplomatic solution" or to just pummel Palestinians into subjegation. For more on the attack on Gaza, read Mohammed Omer's report from the ground.