Paris Hilton is at it again. The 24-year-old hotel heiress is the feature attraction in Carl's Jr.'s new Spicy Burger ad campaign, aimed at the horny male TV-watching population. Scantily clad in a one-piece leather outfit plunging down to below her navel, Hilton struts into an empty warehouse, licks her finger, then suds up herself and a Bentley automobile, as a stripper-styled "I Love Paris" rendition slowly plays in the background. At the end of the spot, Hilton bites the burger and sucks her finger clean. The commercial closes with Hilton's tagline flashing across the screen: "That's Hot." The spot...