It’s the recession and I needed a job. So I went searching for employment at Craiglist until I found something that looked promising: “Professional Protesters Wanted. $20 per hour, free Brooks Brothers suit provided, and bus transportation to work sites. Call Karl R.†I called Karl R and made arrangements to meet the next day at a hotel penthouse. Karl R was a balding guy with glasses. He sat in a darkened room and the desk light shining in my eyes made it difficult to see him in greater detail. “So all I have to do is show up at...