Gov. Rick Scott heaped praise on lawmakers for approving what he called “historic” school safety changes only three weeks after the slaughter of 17 people at Parkland’s Marjory Stoneman Douglas High School. But the fast-tracked measure has hit roadblocks since Scott signed it into law earlier this month. Lawsuits and a swirl of questions about financing, manpower and legal liabilities are now clouding the future of the school security push.