It was a kind of a commemorative agreement, and it could best be viewed from that perspective by the American congress if they have the slightest respect for their President.
The pact is an epithet to signify the opening of a new chapter in the Indo-American relationship.
Critics of the Bush Administration would do better if they concentrate on the happenings of Iraq, and what is about to happen to Iran.
Twisting the arm of India would hardly give any mileage to the US administration, and the latter does know this very very well.