Overall job ratings for the president continue to be below majority level. PRINCETON, NJ -- Thirty-eight percent of independents approve of the job Barack Obama is doing as president, the first time independent approval of Obama has dropped below 40% in a Gallup Daily tracking weekly aggregate. Meanwhile, Obama maintains the support of 81% of Democrats, and his job approval among Republicans remains low, at 12%. These data are based on Gallup Daily tracking interviews conducted the week of June 28-July 4. Over the past year, Obama has lost support among all party groups, though the decline has been steeper...