Romney didn’t take a stand in Ohio on collective-bargaining rights, Perry goes after him for “finger in the wind politics,” Obama straddles line between campaign mode and not on Leno, strikes somber chord again at fundraiser, unveils student-loan initiative in Denver, Perry’s post-card politics, Cain leads in another national poll, but he’s selling books in Texas, Perry’s fifth, Romney’s big-bucks DC fundraiser.Oct. 26, 2011