>> ladies and gentlemen, molly healey and her book bag. >> whoa. >> illinois mom karen healey says totting around textbook is a real drag for her daughters patsy and molly. >> molly was literally pulling her bag down the block. the mom in me said why are you dragging your backpack? and she looked at me with tears and said "you told me to bring every book home." >> let's weigh this thing. you want to? >> sure. >> holy smokes, molly. let's weigh patsy's bag. i'm impressed couldn't flex for me? whoa. >> besides being a pain in the back as you will see, some textbooks are full of outright lies, completely missing basic facts, or push agendas hidden or otherwise. fox news reporting crisscrossed the country to find out what experts, teachers, and parents have to say about what's being taught and what's being read.