1. Leo, we love that you are using CitiBike, but seriously, where is your helmet?
2. Please, set a good example.
3. Well, at least you look before crossing the street.
4. Just make sure you watch out for pedestrians.
5. Be safe and enjoy your ride.
6. And maybe hold off on smoking that e-cig until you’re off the bike.
- Tom Perez has been named chair of the Democratic National Committee. He was Obama's Labor Secretary.