Obama is determined to reset relations with China not out of altruistic purposes but out of constraints of the emerging contours of changing the geo-political environment. The severe financial crisis has paralysed the US's capacity to assert its strategic clout. China has taken the role of the largest foreign lender to the US and this fact has drastically altered the balance of relationship between the two great powers.
On the other hand, no single ethnic community defines what it means to be American. Within generations diverse communities and people of different religious backgrounds from every corner of the globe have become American. And not only do they become American, but America becomes changed as well.
The threat of retaliatory attacks in Pakistan notwithstanding, the decision to let the sleeping dogs of North Waziristan lie would be tantamount to declaring that the Pakistani state endorses terrorism.