. >> introducing dan mulhern. husband of jennifer granholm, former governor of michigan. he can tell you all about the job of first gentleman. >> you don't make the decisions. you're a coach or consultant, you're a supporter, you're a cheerleader. you're an encourager. but keep that clear in your mind. she's the boss. >> america's first gentleman. ahead on "sunday morning." >> pauley: then it's on to the philadelphia story. the story of the city beyond the democrats' convention hall. mo rocca is our guide. >> philadelphia. where the liberty bell and the rocky statue get equal billing. once upon time it was the nation's capital. >> it has a chip on its south floridaer. >> about what? >> the rest of the world. >> we'll find out how to properly eat the local delicacy. >> how about the day they ran santa claus out of town. >> most people would just say that santa deserved it. >> later on "sunday morning." >> pauley: donald trump was the story in cleveland this past week. and this morning we hear from the republican presidential nominee as he talks to our senior contributor te