…Here’s what I do worry about. When people feel pressure to signal, and it’s free, they’ll signal. But sending the signal creates a small emotional investment in the overt message of the signal — solidarity with opponents of the ruling Iranian regime. As every salesman knows, getting someone to make a big, costly commitment is best achieved by getting them to first make a tiny, costless commitment. The tiny, costless commitment of turning Twitter avatars green is thin edge of the persuasive edge for the neocons who would like to sell the public a war in Iran. Since I would rather not be Bill Kristol’s useful idiot, I will conspicuously leave my avatar as is, and continue hoping for the best.