Pittsburgh's dynamic duo -- Wiz Khalifa and Mac Miller -- are on the road this summer for the "Under the Influence of Music Tour." Thanks to their roots in the 412, both rappers are pretty chummy these days. In fact, so are their families. Mac Miller recently told a French website that they have more in common than just sons with successful rap careers: They love the kind bud. 

via Fists in the Air:

My mom and Wiz’ mom are like best friends, it’s funny. They hang out like all the time and get high together.

What's that saying about the apple not falling far from the tree(s)?