Nearly a dozen cities across the country issue municipal identification cards. They’re meant for those who have trouble getting other forms of government-issued ID: Undocumented immigrants or the homeless, for example. But given how easy they are to obtain, how useful are such ID cards? It turns out that in some cities, banks, buses, and law enforcement accept municipal IDs. Could it happen in Baltimore? City Councilman Brandon Scott hopes so. He’s sponsoring legislation to create a municipal ID here.