. >> reporter: herb smith is author of political science. he's not at all surprised at the new ad saying even though voters don't like them, they do work. and as long as the governor's race stays tight, expect more. >> now you're advertising the reasons why people need to vote for you or against the other fellow. and it seems with great frequency we're having ads why you need to vote against the other fellow. >> reporter: a political game of tag that may last the rest of the campaign. in baltimore brian cubeler. >>> a guy is hospitalized after a crash involving a bus. found three vehicles had been involved in the crash. they say the school bus currying students to meadow vail elementary was struck by on audi that crashed the bus. >> we had a school bus with six children and a driver. an suv and then a passenger vehicle. the driver of the suv was transported to shock trauma with injuries and taken by ground. the children and the bus driver were transported to a local hospital with minor injuries and released to the custody of their parents or