Proof is in the pudding boys. Obama, Bibi, and even Abbas can talk until their blue in the face, but until there is ANY concrete actions, it's all just wasted breath. Peace talk, peace talk, peace talk, peace talk...decades of just mindless talking.
Shaffir to Herzog: Opposition failed to show leadership in political battles against PM (Haaretz)
from the article: Obama to Abbas: I will make every effort to ensure Palestinian statehood