A: His lips move.
Old joke, has that ring of truth that makes it funny. Campaign promises are made and broken depending on what side of the aisle your on you either, acquiesce, point your finger or just go about your life.
When it becomes pathological, you start wondering what is going on with this elected official.
Little Green Footballs has a good read on our Vice President. As does The Gay Patriot, who goes after the MSM for its lack of integrity.