The nuclear deal will bring India into the global civil nuclear energy market.

The Indian nuclear establishment is not comfortable with the civil nuclear energy deal because it changes things for them.

The challenge for Bush (and his Indian hosts) will be to prevent possible disappointments over nuclear matters from overshadowing the positives during the visit.

The administration will push very hard to get the deal through the US Congress. This is the last psychological barrier that is waiting to be dismantled.

He does play a double game of sorts.

The separation of civilian and military nuclear facilities poses a big problem for them. They are worried and nervous because it asks them to change their set pattern of working, which they have been used to for the last three decades.