a hero takes action to protect a mother and child. we have the exclusive video. it is a mess out here. a major breakdown in montgomery county and why the problems may not be fixed by tomorrow morning. the first lady gets ready to show off a garden to in national audience. captioned by the national captioning institute www.ncicap.org this is abc 7 news at 11:00, on your side. we begiwith a traffic nightmare in montgomery county. newschopper 7 captured the gridlock. bad news, folks, if you live or work in montgomery county. jay korff is live in it bethesda tonight. this computer system that is designed to keep traffic flowing well during rush hour simply is not working, and engineers do not know how to fix it. they are going to work all throughout the night. wednesdays at 9 it turned into a trying test of patience for thousands of drivers. brake lights flooded streets and throughout the county thanks to a computer glitch. county officials say hundreds of traffic