Palin's You Betcha History bus tour stops at Library of Congress, where she creates a stir when told she can’t use her Wasilla libary card to check out a coloring book; Valley Forge, for a look at the birthplace of Valley Girls; and Gettysburg, where she lauds Union forces’ fight against death panels and claims some of Obama’s Kenyan ancestors lived in U.S., though they weren't citizens (seems they snuck in on some sort of ship).