President Obama opened a White House meeting with congressional leaders by calling for an end Washington’s gridlock, arguing that was the message behind Tuesday’s Democratic drubbing. Speaking from the White House dining room, where he was flanked by Senate Majority Leader Harry Reid (D-Nev.) on one side and Speaker John Boehner (R-Ohio) on the other, Obama said the midterm result demonstrated that voters were “frustrated by the gridlock in Washington.” “They’d like to see more cooperation,” the president said. “And I think all of us have the responsibility, me in particular, to try to make that happen. And so, this...