police to provide for safe community is always going to be the focus. >> well, i know that the rate of violent crime went down considerably when you were running new orleans, sir. i appreciate that. congratulate you on that. thank you for coming on tonight. >> thanks, megyn. also tonight the st. louis rams just finished a sit-down with outraged police groups after this protest minutes before an nfl game. how police are responding. a week after a grand jury decides not to indict darren wilson, the department of justice decides to double down on misconduct within the ferguson police department, based on what? mayor james knowles here to explain. >> cannot be seen as an occupying force disconnected to the communities that they serve. here's a question for you: when electricity is generated with natural gas instead of today's most used source, how much are co2 emissions reduced?