TALLAHASSEE A bill being pushed by the NRA to allow people to keep guns in their cars on workplace parking lots faces a tough challenge from the powerful Florida Chamber of Commerce. TALLAHASSEE - The National Rifle Association is pushing a bill that would penalize Florida employers with prison time and lawsuits if they prohibit people from keeping guns in their cars at workplace parking lots. But the proposal is facing stiff opposition from a group just as powerful in the state capital as the NRA: Florida's biggest business lobby. Mark Wilson, a vice president of Florida's Chamber of Commerce,...