Morning Buzz: Union Sues to Stop School Closings Today should rise to a partly cloudy 66 degrees. Mayor Michael R. Bloomberg unveiled the city's new bike-share program. Queens students learn about New York's ecosystem by helping redesign their own schoolyards. The chief rival to Representative Charles B. Rangel's long-held Congressional seat secured a prominent endorsement. A former police officer was sentenced to 75 years in prison for sexually assaulting a school teacher at gunpoint. Residents of a secluded Queens neighborhood debated the common area practice of parentally condoned underage drinking after two parents were arrested for serving alcohol to minors. Police officers accidentally shot a woman who was held hostage by her son. State lawmakers are considering a bill that would outlaw discrimination of transgendered people. Prosecutors are expected to drop charges against a Bible study leader accused of groping Manhattan women after new evidence reportedly supports his alibi. A judge ordered the new owner of the Hotel Chelsea to better tend to the poor conditions inside the building. A teachers" union has sued the city in an effort to halt several school closings. Blackjack, a horse, escaped its stables and ran into traffic in Queens, where a car accidentally struck it.