President Obama's central message to the Israeli and Palestinian leaders in New York today was simple, a U.S. official said: He's running out of patience. "The President of the United States is impatient," said the senior U.S. official. "That's what he told them." "There’s a limited window of opportunity here, and he's determined, but he’s also impatient and we need to get going," the official said. The message, he said, was "received loud and clear" -- though the tenor of that reception may be more obvious after Abbas and Netanyahu speak to the press. Special Envoy George Mitchell will meet...