Ever been approached by someone on the street asking for donations or petition signatures? Even if it's the last thing you'd ever want to be doing, it's pretty hard to break away. That's because it's against human nature to act negatively towards a friendly face. Watch Mike and Frank -- they're friendly from handshake to handshake, no matter how standoffish the seller. It really is possible to "kill them with kindness," and it works more often than it fails.
