Those moderates, several of whom flirted with ObamaCare in the Senate Finance Committee, are still sensitive to the "party of no" charge and, if Obama handles the summit well, would be feeling even more pressure to play ball.
Most recently, Alexandre de Juniac, a chief of staff to Christine Lagarde when she was finance minister, took charge at Air France in spite of having no operating experience of the airline business.
It will charge only 15% corporate-profit tax and levy no income taxes on the finance professionals, lawyers, accountants and creative people it hopes eventually to attract.