In June 1985, Flora Lewis wrote in the New York Times that then-President Ronald Reagan said he had pounded the walls in frustration over the hostage crisis in Beirut. Given what we know about Reagan, it's not hard to believe that he would resort to such measures to express his rage. Now try to imagine Barack Obama similarly venting his frustration at the Republicans taking his agenda hostage for political gain. Hard to visualize, isn't it? That's no accident. Since being elected president, Obama has consistently displayed a cool demeanor, one that has confounded many of his former supporters. His...