Imagine: You’re a Republican party chairman at a taxpayer-funded ‘Town Hall’ meeting with the President. You notice that some of the people attending have a politically incorrect “No Blood For Oil” bumper sticker on their car. What do you do?
Answer: Since it’s an official event, you can’t legally have them thrown out–so you have someone pretend to be a member of the Secret Service and tell them to leave. Then, of course, you claim to know nothing about what just happened.