Mark McClusky says for elite athletes today, pushing boundaries and breaking records is all about "the aggregation of marginal gains."
In deciding to enforce a no fly zone over Libya, President Obama sided with his administration’s idealists, like senior aide at the National Security Council, Samantha Power, over realists like Defense Secretary Robert Gates. That decision opened up the White House to criticism from both the right and the left.
Some Congressional leaders are complaining that the White House consulted with Europeans and Arabs, but not the U.S. Congress. Democratic Representative Dennis Kucinich of Ohio went so far as to suggest that bombing Libya was an illegal and possibly impeachable act of war.
We look at the battle within the White House and the political fall-out with Scott Wilson, White House correspondent for the Washington Post.