FOOL FOR YOU: Head to the Fifty/50 in Wicker Park for an April Fool's shindig tonight. "Fool Me Twice" will offer $2 PBR pints, $5 Goldschlager shots, $5 O Bombs and half-price appetizers from 5-8PM. The whole bar will score a free shot every time the song "Act a Fool" comes on. Any reason for a party, right? 5PM-2AM, no cover.
ECO HERO: See former vice president and current eco warrior Al Gore at the Chicago Theatre tonight. Gore's appearance is part of the theater's ongoing "Speaker Series: The Minds That Move the World." 7:30PM, $35-$185.
SEAL OF APPROVAL: Hear the silky voice of singer Seal in person at the Civic Opera House tonight. Mr. Heidi Klum will be in town in support of his 2008 album of soul classics, aptly entitled "Soul." 7:30PM, $45-$75.