Once reluctant to hype the U.S. economy's slow climb out of recession, President Barack Obama now is in cheerleader mode. "America's pretty darn great right now," Obama told reporters Friday as he celebrated a strong jobs report that he said proved Republicans' "doomsday rhetoric" is little more than "fantasy." Obama's brief remarks were a striking turn for a president who for most of his seven years in office has put on a sober face every time he spoke about the economy. Years of slow jobs growth and stagnant wages made the president and his team wary of seeming out of...