right now we are waiting for president obama to sign a health care bill that s been a year in the making that could eventually extend coverage to 32 million uninsured americans. keeping pedestrians safe. police across our area are starting a new effort today to crack down oun on walkers and drivers not following the law. and how about this? the cherry blossoms could put on an early show. the nice weather is speeding up the blooms. news4 today begins right now. good morning, edge. i m barbara harrison. it is tuesday, march 23rd, 2010. we are following breaking news at this hour. a light rail train carrying passengers and a tractor-trailer have collided north of baltimore. it happened at 9:30 this morning in the cockeysville area. it is not exactly how this happened, but part of the train derailed when the collision occurred. at least one person has been seriously injured and multiple police say the driver of the truck suffered a broken leg. emergency crews and investig