Actress Sigourney Weaver is to make her series television debut starring in USA Network\'s 6-hour original series \"Political Animals.\" The show from Warner Horizon Television is slated for the cable network\'s summer lineup. \"Pulling back the curtain on persuasive public speeches and stirring campaign ads, the fictional look at a former first family exposes a dynasty weakened by political ambition, lust and greed,\" a synopsis said. \"Weaver stars as Elaine Barrish, the divorced former first lady and newly appointed secretary of state who throws herself into the job after recovering from the dissolution of her marriage and losing the presidential nomination.\" Weaver\'s film credits include \"Alien,\" \"Working Girl,\" \"Gorillas in the Mist,\" \"Baby Mama\" and \"Avatar.\"