A meal in the White House mess before taping the “Between Two Ferns” episode credited with boosting enrollment in ObamaCare, gave comedian Zach Galifianakis the idea for a new nickname for President Obama. “Before we went to interview the president, I ate in the White House with his staff - you know, young, six to eight of them. There’s a restaurant in the White House,” Galifianakis said during an appearance on “The Daily Show with Jon Stewart.” “You don’t have to pay, but there’s a dessert menu,” the comedian continued. “And on the dessert menu, there’s something called Chocolate Freedom.”...