Dad wear: How fathers became fashion mavens

Call it "dad style," or "dadcore." Call it unsexy. But the chinos, Hawaiian shirts and washed-out denims that fathers sport are also taking over the runway. In fact, they've become downright cool. Really! Bloomingdale's fashion director Erica Russo and journalist Max Berlinger help guide correspondent Mo Rocca through the clothes that truly make the man. And for good measure, Rocca checks out the sartorial elegance of "Sunday Morning" senior producer Gavin Boyle.