 Both critics and allies of the president's will be watching closely as Biden takes questions during an unscripted news conference at the end of a three-day NATO summit. Justin Crowe, a political science professor at Williams College, expresses doubts that Biden can restore confidence among his skeptics. He could do a press conference and he could knock it out of the park. He could go rope lines and be energetic and lively. Likewise, on the other side, I'm not sure...