"Grassley said he will study the issue himself, take part in the hearings and also try to determine if leaders in Congress who were briefed about the spying had knowledge of the program. 'Did any of them express support or opposition to him? I'm entitled to know that,' said Grassley...

The blog-o-sphere is already making the case that Jimmah Carter had the
authority, so there is no reason Bush shouldn't have it as well. Where I will jump on board with Grassley is on one point...