national correspondent william la jeunesse shows us. >> i am running for u.s. congress. i am a fighter, and i don't back down. >> he sounds like an independent. >> things aren't working, no matter who is in charge. >> even a conservative. but make no mistake, james thompson is a democrat aiming for an upset. >> we have the opportunity to flip this flu. >> if they're going to win districts like this, democrats are probably going to be on the march nationwide, not because democrats are necessarily popular, it would be because the president is unpopular. >> kansas' fourth district is deep red, but the race to fill the seat vacated by former congressman, now-see a director mike pompeo is unexpectedly close, prompting this last-minute attack ad from the party. >> james thompson supports late-term abortion. >> followed by a verbal call