WASHINGTON - Sen. Hillary Rodham Clinton, the most dominant figure in the crowded field of Democrats and Republicans mulling a White House bid in 2008, is also the coyest about her intentions. “I am not thinking about that at all,” the New York Democrat insisted on ABC last week. “I know everybody else is and lots of other people are saying, ‘Oh, she is, she is,’ but the truth is, I don’t think about it. I haven’t made any decision about it because that’s not how I think and how I work.” Her assertion was seconded by former President Bill...