Sen. John McCainJohn McCainThe trouble with Rex Tillerson   Senate: Act now to save Ukraine A Cabinet position for Petraeus; disciplinary actions for Broadwell after affair MORE (R-Ariz.) is continuing his call to end government corruption, which was also a central theme in his previous bid for the presidency.

In this campaign ad, McCain says, “We need lobbying reform, we need ethics reform, and we need a legislative reform