With picnic, patio and potluck season in full swing, the U.S. government has launched a series of quirky new ads from JWT to remind Americans about some food-safety basics. Each PSA hits a different part of the USDA's four-part mantra for avoiding food poisoning: Clean, Separate, Cook, Chill. Perhaps a bit overly odd, the spots are definitely more attention-grabbing than regulators' previous attempts at raising awareness. One new ad below; three more after the jump.