The circus was fined $25,000 and lost its exotic animal exhibition license for five years, according to USDA records.As of Wednesday, all required licenses were current for the Walker Bros. Circus, USDA spokesman David Sacks said.The shows in Key West will feature trapeze and other aerial acts, jugglers, clowns, contortionists and domestic animals such as pigs and mules, circus spokeswoman Sashi M