Sarah Palin goes after Obamacare and "death panels" gets immediate changes in the bill.
Donald Trump goes after Obama's birth certificate, and finally gets it released.
Romney, Huckabee, Pawlenty, Daniels, etc., go after ?, and get ? done.
Not to mention who campaigned most effectively for not-likely-to-win-but-pulled-off-an-upset candidates in 2010?
Who has already had the biggest impact on your life?