Presumptive Democratic nominee Barack Obama’s campaign, in an internal memo, is disputing one Democratic congressman’s characterization of the Illinois senator’s record after the member went on the record Tuesday saying he would not endorse his party’s nominee. Rep. Dan Boren (D-Okla.) told The Associated Press that Obama is too liberal for his district, and he does not work well with Republicans despite his rhetoric. In the internal memo, which was obtained by The Hill, the campaign lays out surrogate talking points and says that “unfortunately, Congressman Boren has his facts wrong.” The document outlines a way for surrogates to refute...