NSA Director Gen. Keith Alexander testified on Capitol Hill this afternoon, making the case that the NSA's massive data collection program has saved American lives by disrupting "dozens" of potential terrorist events. He was asked whether the broad monitoring of phone calls and internet activities has succeeded in stopping terror attacks.

Sen. Dick Durbin (D-Ill.) argued that the NSA has become too broad in its surveillance activities and can obtain the information it needs on suspected terrorists while better protecting the privacy of innocent Americans. He also questioned whether the NSA has used its collection capabilities to look at medical records, credit card information, internet searches, and/or tax records, saying the law allows for the NSA to ask a judge for those records as well.

Watch that exchange above!