osama bin laden's compound as a violation of their sovereignties. so what is plan b for this relationship? a first step in the u.s. and pakistan trying to clear up their relationship. pakistan tries to give up the u.s. military helicopter in the operation to kill osama bin laden. u.s. government sources tell cnn tough conversations with senior pakistani officials. >> my goal has been to talk with the leaders here about how to manage this critical relationship more effectively. about how to open up the opportunities to put this relationship back on track. >> reporter: sources familiar with kerry's decision said that he told pakistanis that the $1.5 billion a year for five years, aid that he co-sponsored, is on