Four Things that come to mind while playing John McCain's Facebook Application "Pork Invaders"

4. Pigs.

3. Dropping bombs on adobe huts.

2. Atari.

1. A McCain campaign poster sliding back and forth between left and right while shooting at pigs.

One Thing that does not come to mind while playing John McCain's Facebook Application "Pork Invaders"

1. Pork barrel spending caps.