Security Watch Kerry in emergency trip to Mideast. Can peace talks be salvaged? (+video)

Israel is refusing to release a promised fourth group of Palestinian prisoners. With all sides digging in their heels, even Kerry's scaled-back goal of a 'framework agreement' seems out of reach.

By , Staff writer

Jacquelyn Martin/AP

Last summer Secretary of State John Kerry set out on what many considered to be a mission impossible: reach a peace agreement between Israelis and Palestinians creating a Palestinian state by the end of April.