Outside Air Wars

The SEIU launches a pro-Obama commercial, as outside groups on both sides prepare to ramp up TV advertising.

Ad features struggling family, touts Obama's tax cuts while hitting McCain's comments on the economy. $2.1 million buy to air in six states.

Hits airwaves Monday-- click above to watch.

Meanwhile, an anti-Obama group-- including some behind 2004's "Swift Boat" ads-- prepares a round of attack ads against the Democrat.