5-foot snake slithers out of kitchen sink in NYC apartment — and no one seems to know where it came from

It’s a slithery mystery. A 5-foot-long snake was discovered in a kitchen sink inside an Upper West Side apartment Wednesday morning – and no one’s sure where it came from, cops said.  Police were called to the apartment when someone at 140 West 87 St. saw the boa constrictor slither up an exterior gate and...