In the United States Senate, failure is not an option. It is a requirement. Lawmakers, unable to agree on action to deal with the looming debt crisis, set up camp on a new plateau of pointlessness Wednesday: They scheduled votes on two rival plans to cut spending - but only after guaranteeing in advance that both plans would be defeated. Senate Republicans needed to prove to their colleagues in the House, and conservative activists everywhere, that they don't have the votes to pass major cut...