We see throwback trends all the time. They usually come with a bit of an upgrade, but what the teens are reaching for these days is like shopping our own high school closet! Broomstick skirts, mom jeans, flannels, they're all back. Mindy Dunyon shares six things your teens will likely be eyeing when you're out back-to-school shopping. She shares how to style them, and what to look for in a good pair of mom jeans.