Every town and city seems to hang on to their home-grown celebrities. Boston's got those we're proud to call Bostonians and those we'd rather dismiss. Lawrence, Mass. is home to Godsmack front man Sully Erna. The key to the city is symbolic these days, it really doesn't open any locks. Theoretically it gives you an "in" however. The bloggers at AOL's music blog reported earlier this month on the ceremony:Erna, who spent his formative years......