Starting today, MetroRail trains will run on Friday and Saturday nights, ferrying people to and from downtown on a new evening schedule that runs from 4pm to midnight every weekend.According to the article, "The city-funded service will begin March 23. But Capital Metro on its own dime will have late Friday and Saturday service for the two weekends prior, starting March 9. Like the ongoing service to come, the March 9 and March 16 Friday trains will run until midnight rather than stopping about 6:30 p.m. But the Saturday service March 10 and March 17 will . . .