Like spring, bipartisanship is busting out all over. Even more so maybe: Washington in a time of alleged global warming is suffering through a chilly, wet springtime, but bipartisanship is sprouting up like gangbusters.

Exhibit A is the Corker-Cardin legislation, passed unanimously in the Senate Foreign Relations Committee, providing for limited congressional review of negotiations with Iran over its nuclear weapons program. Exhibit B is the legislation combating human trafficking, passed unanimously by the Senate last Wednesday. Exhibit C is the elimination of the annual “doc fix,” engineered by Speaker John Boehner and House Minority Leader Nancy Pelosi.