By Matt Williams October 12, 2015 Zac Hanson, founding (and youngest) member of Hanson along with his brothers Taylor and Isaac, rings me up just before embarking on the band’s 10-city Roots & Rock ‘n’ Roll Tour. The number registers as Oklahoma, the Hanson Brothers’s home state, but he’s already on the road, calling from “Philly.” Zac explains the band […]