Las Vegas Sands has withdrawn its planned bid to open a $4 billion casino complex at the site of the Nassau Coliseum on Long Island. The gaming giant's announcement Wednesday caught some casino industry insiders by surprise. "Crazy," one industry source said. Sands had the strong political support of Nassau County Executive Bruce Blakeman and the Republican-run legislature — but there was some hard-core opposition led by nearby Hofstra University and residents living near the Nassau Coliseum hub in Uniondal ...