Making mistakes has always been a part of growing up, but how do parents help their kids navigate childhood and adolescence when social media has the potential to magnify those mistakes?  Our guest is public health expert Julianna Miner, author of Raising a Screen-Smart Kid: Embrace the Good and Avoid the Bad in the Digital Age. Julianna Miner is an adjunct professor of global and community health at George Mason University, creator of the popular parenting blog Rants from Mommyland.