A reluctant foray into political writing By Marty Smith, Turner Sports Interactive April 24, 2003 12:06 PM EDT (1606 GMT) I'm not one to delve into the political ring of fire. It's not my job and, quite frankly, mixing sports and politics is often clich? at best. But incessant inquiries about NASCAR's involvement with Jesse Jackson have forced my hand. Marty Smith Never have I seen such a heated backlash against NASCAR, so I contacted them to get their side of the story. This will be brief. And like Joe Friday, just the facts, ma'am. On April 2, Peter Flaherty,...