On Obama, RNC suggests pity Mitt Romney, who has toughened up his line recently, long campaigned on a well-honed Obama line: A nice guy in over his head. And that line is, Yahoo! reports, what the RNC is counseling in private: "We're hesitant to jump on board with heavy attacks" personally against President Obama, Nicholas Thompson, the vice president of Tarrance Group, a Republican polling firm, said on the call. "There's a lot of people who feel sorry for him." Recent polling data indicates that while the president still suffers significantly low job approval ratings, voters still give "high approval"...