FILE - In this Sunday, April 21, 2013 file photo, U.S. Secretary of State John Kerry, right, meets with Palestinian President Mahmoud Abbas in Istanbul, Turkey. Abbas is being propelled

 

              FILE - In this Sunday, April 21, 2013 file photo, U.S. Secretary of State John Kerry, right, meets with Palestinian President Mahmoud Abbas in Istanbul, Turkey. Abbas is being propelled
FILE - In this Sunday, April 21, 2013 file photo, U.S. Secretary of State John Kerry, right, meets with Palestinian President Mahmoud Abbas in Istanbul, Turkey. Abbas is being propelled toward a stark choice that could come as soon as next week, define his legacy and set the course for his people in a decades-old conflict with Israel. (AP Photo/Evan Vucci, Pool, File)