WASHINGTON, Feb. 22 (UPI) -- Former Massachusetts Gov. Mitt Romney Romney kicks off a 19-state book tour observers say could be an effort to garner support for a 2012 presidential run. The three-month tour to promote his book, "No Apology: The Case for American Greatness," includes speeches and appearances in early-primary states as the one-time 2008 Republican presidential hopeful wages what some see as the most methodical campaign of any GOP presidential wannabe for the 2012 party nod, USA Today reported Monday. The tour begins next week. At the Conservative Political Action Conference in Washington during the weekend, Romney polled...