On Monday, while the death toll mounted at the Navy Yard, President Barack Obama delivered a strident partisan tirade against Republicans, using the fifth anniversary of the Lehman Brothers collapse to score political points ahead of the debt ceiling debate. It was an appalling act of division and insensitivity, and unlike George W. Bush's My Pet Goat moment on 9/11, it was a calculated abdication of leadership. -SNIP- It was an insult to the victims and their families, a slap in the face to the nation as a whole, a dereliction of the simplest duty of empathy and discretion. He...