The NBC/WSJ poll is the first in a little while that's found any glimmer of optimism for the Obama administration. Unlike this week's Washington Post poll, it finds a marginal improvement in the president's approval rating (to 44 percent) and slightly less anger at the ACA (down to 46 percent disapproval). But like every poll, it finds the largely white, somewhat older Republican vote far more likely to turn out this year. Among all voters, there's a 45/45 split on which party is preferred to win the election. Among likely voters, there's a 53–38 advantage for the Republicans. It gets...