Ron Paul would pardon all non-violent drug offenders in jail. He has the power, as president, to do that. That would give a pretty damn good impression on congress that there is going to be a new policy.

Here's a pretty funny clip from 1988 with Ron Paul on the Morton Downey show:
YouTube - Ron Paul vs. Morton Downey, Jr.'s audience 1988

And also from his current run at a debate about a month or so ago:
YouTube - Ron Paul Calls for End to Drug War