I ride as defensively as I can. This usually means running red lights, weaving between cars when they crowd the berm when stopped at traffic lights, running stop signs etc.
Of course this is only done when it is completely safe (in my opinion) for me to do so. I feel safer when
I am in control of traffic situations rather than being a part of controlled traffic.
Of course if Johnny Law is visible, I am the most law abiding rider you can find