Rogers Cadenhead: Right-wingers have gone ballistic since Wednesday's Republican YouTube debate because four of the questioners appear to be Democrats, including the retired "do ask, do tell" soldier who hogged not one but two microphones, and it's apparently GOP policy to avoid speaking to outsiders until the general election. But when Wall Street Journal columnist Peggy Noonan went hunting for Democrats today in that debate's target-rich environment, she still came up empty-handed.
