Some dude almost got a very active demonstration about the perils of running a red light on my commute this morning. He decided to turn right on red (legal if there's no traffic) from one bike lane to another without looking or even attempting to stop. Thing is I was coming through with the light going about 25 and he was turning at maybe 5 mph. Fortunately I saw him in time and got away with maybe just barely brushing him (or it could be the air disturbance I felt as I passed him). Definitely got my heartrate going.