By Ashish Kumar Sen Uh-oh. Here we go again. Having just concluded a delicate diplomatic fox trot to soothe Pakistani egos bruised by the weight of a hefty Kerry-Lugar aid package, the Obama administration was catching its breath when it was jolted into action on Friday by developments on Capitol Hill. Two U.S. senators, who in their well-intentioned zeal sought to ensure accountability for every U.S. dollar sent to Pakistan, run the risk of upsetting Islamabad. Sens. Bob Corker (Tennessee Republican) and Bob Menendez (New Jersey Democrat) attached an amendment to the Defence Authorisation Act of 2010 that seeks to ensure Coalition Support Funds (money given to defray the cost of fighting the Taliban and al Qaeda) sent to Pakistan will not "adversely affect the region's balance of power." That's diplospeak for: Don't use U.S. weapons/cash to engage in an arms race with India, or worse, provoke a conflict. A reference in the amendment to India, even in the most abs...