U.S. President Donald Trump's success in brokering the Oct. 9 ceasefire deal between Israel and Hamas has been praised worldwide. What seems to be a diplomatic victory in the Middle East stands in sharp contrast with Trump's failure to negotiate a ceasefire in Eastern Europe. One reason for the difference is objective. Trump has far more leverage over Israel than over Russia, while Hamas has been weakened so much that it had no choice but to agree to a ceasefire. Another reason, experts say,