archer daniels midland, adm, the food behemoth. >> things are going on i don't approve of. >> reporter: mark whitaker played in a smash portrayal by's an adm squealer who blows the whistle in such high-frequency, only fbi watchdogs can hear him. >> it is not just liesing, it's sit trick, glukonate. that guy's out of a job. >> reporter: two agents, scott and joel, show up but they can't tell if whitaker's on the level or is just whistling dixie. >> what is he doing? i told him the camera was in the lamp. >> no. no. >> reporter: the guy's a yo-yo and he may be springing them along. so they conceal a recorder in his briefcase that reveals whether it's adm skulduggery or whitaker's skulduggery. since this whole case is on the record, even the most outlandish revelations are not hard to swallow, especially when everybody coughs up in this amusing, telling expose' that's larded with foot for thought. >> mark whitaker, secret agent, 0014. >> why 0014? >> i'm twice as smart as 007. >> and that's the "critic's corner," serving up another winner for "today." >> yes! >> waiter! >> looks like fun. >>> coming up next, they bill it as the ultim