The theme of Obama’s last campaign was “Forward.” Having thoroughly alienated Republicans in Congress, he is boldly moving forward on his final mission of also alienating the Democrats. It’s no secret that Harry Reid, the former Senate majority leader, now loathes Obama. But the conflict between Senate Democrats and Obama is approaching explosive temperatures. Senator Menendez accused Obama of parroting talking points out of Tehran as the Senate approaches a sanctions vote. Obama has threatened to veto bills on Iran and Keystone, along with others, leading to a showdown in which Democrats will have to choose between Obama and electability....