Senate Democrats are scrambling to rewrite portions of President Barack Obama's jobs bill, even as Obama tries to blame Republicans for Congress' failure to act. Senate Republican leader Mitch McConnell moved to call the president's bluff Tuesday by pushing for a quick Senate vote on the bill, but Democratic leader Harry Reid derailed the effort as all sides maneuvered for position in a potentially defining battle in the 2012 presidential campaign. In the Senate, Democrats made plans to jettison provisions that Obama recommended to pay for the $447 billion jobs bill, substituting them with a tax increase on millionaires, officials...