ads. they've got names like americans for prosperity, or moms for motherhood or -- actually that last one i made up. but you have these innocuous sounding names. we don't know where this money is coming from. i think that is a problem for our democracy. >> although some reports that mtv had screened the audience to ensure a friendly crowd, the president was forced to defend his economic record to at least one young voter. >> if the economy does not improve over the next two years, why should we vote you back in. >> most of the jobs were lost before my economic policies were even put into place. as a consequence of the recovery act we put into place, there's no doubt that three million folks are working now that would not otherwise be working. whereas as the economy was contracting where i came into office, it's now growing. >> matt lewis, that's the