"They politically do not have it inside themselves to tell the Pakistan people why we are doing it and that they are aware of it. They do not have that kind of political steel in their backbone. I have been in politics long enough to understand that. I do not condone it," Senator Carl Levin said at a Congressional hearing.

Chairman of the Senate Armed Services Committee, Levin said this is one of the issues that has troubled him in recent times.

"I think that in terms of recent events, that the Pakistan army is showing a much greater willingness to take on the enemy for their own sake... not because we are asking them or we are paying them, but because from their national security perspective, it is in their interest," he observed.

"I do not know how much that has been transmitted to the Pakistan people. I know it is transmitted through interviews in the London papers, but that is not the same as the President and the Head of the Army in Pakistan transmitting that to the Pakistani people themselves," Levin argued.

Levin said he is trying to find out the degree to which the statements that they have made recently reflect that they are made publicly in Pakistan.

Another thing which has troubled him, Levin said is the constantly criticism of the US for its drone attacks inside Pakistan.

"I guess yesterday, the day before, we got a number of very high-level targets. There is civilian casualties, which obviously are to be minimized and regretted. But when we knock out high-level targets, terrorist targets, Taliban targets that are out to destroy the government of Pakistan, the least we can expect, I believe, from the Pakistan government is silence," Levin said.

"What I can't understand and do not accept is the attacks on us, the criticism on us, because what that does is undermine the effort. Every time they attack us as being foreigners attacking their sovereign soil, they are creating another generation that are after us instead of after the terrorists," Levin argued.