DOWNTOWN: It’s snowing inside Borough Hall station

Note: More media content is available for this story at BrooklynPaper.com.By Ruth BrownBrooklyn PaperBorough Hall station became a winter blunder-land on Saturday, after part of the Flatbush-bound 4 and 5 platform filled up with snow, creating a slippery path that had some straphangers worried.“This is definitely dangerous, especially for the elderly when they get off,” said Crown Heights resident Kharin Anderson, who works Downtown. “This is insane.”The powder — wh