BRIDGEPORT — The Barnum Museum has extended the run of its two current exhibitions. “Life’s a Circus!” featuring collage/paintings of New York artist Marilyn Cohen, has been extended to April 1. “P.T. Barnum Presents The Divine Jenny Lind,” presenting memorabilia concerning Ms Lind’s debut concert tour of the United States, has been extended to June 30. Contact the museum for information at 203/331-1104.