These tubes are controlled by the Nuclear Suppliers Group precisely because they can be used as centrifuges for enriching uranium.

CNN: Transcript of Powell's U.N. presentation

IAEA, and then the 45-nation Nuclear Suppliers Group, into an internationally-approved agreement.

ECONOMIST: Indian politics

If the IAEA signs the agreement, the deal will go to the 45-nation Nuclear Suppliers Group, which regulates global civilian nuclear trade, for approval.

BBC: India MPs hold vote of confidence

It would also break the rules of a little-known cartel, the Nuclear Suppliers Group (NSG), of which both China, Pakistan's pal, and America, India's friend, are members.

ECONOMIST: Pakistan, India and the anti-nuclear rules

The deal now needs to be approved by the UN's nuclear watchdog, the International Atomic Energy Agency (IAEA), as well as by the 45-nation Nuclear Suppliers Group, which regulates global civilian nuclear trade.

BBC: India gives nuclear plans to IAEA

The 45-member Nuclear Suppliers' Group (NSG), its next destination, might prove stickier.

ECONOMIST: India

India now needs to negotiate a safeguards agreement with the International Atomic Energy Agency (IAEA) and win the consensus of the Nuclear Suppliers' Group so that the Bush administration can present the deal to Congress for a final vote before the end of 2007.

BBC: NEWS | South Asia | Is India-US nuclear accord dead?

The trouble is that in order to sell India nuclear fuel and other technologies, Mr Bush wants to reverse a 30-year effort, both by America's Congress, which takes a hard look at the deal later this month, and by the 45-nation Nuclear Suppliers' Group, which met this week, to demand full-scope safeguards (meaning checks on all nuclear installations, which India does not allow) as a condition for nuclear supply.

ECONOMIST: America and a nuclear India