By Denny Dyroff, Entertainment Editor, The Times The Big Apple Circus The Big Apple Circus, which is celebrating its 41st anniversary this year, up residency at the Greater Philadelphia Expo Center (100 Station Avenue, Oaks, https://bigapplecircus.com) for a run now through June 16. Many of the world’s greatest circus acts have performed under the Big Apple Circus Big Top. Each year, a new show with...