Even in what's called this "summer of discontent," yesterday's primaries in Arizona, Florida and Alaska were especially nasty. But a lot was at stake in each state, and the outcomes could hold signs of what's to come in November. Also, housing numbers show a stumbling economy, and from courthouses and airport checkpoints to police vehicles on city streets, x-ray scanners are on the move. Are government agencies learning more than they need to know?
Banner image: Marco Rubio, Republican candidate for Florida's US Senate seat, takes his ballot to a voting machine as he and other Floridians head to the polls on primary day on August 24, 2010 in Miami, Florida. Photo: Joe Raedle/Getty Images