Fighting In All 50 States: 'America Invaded' Explores Incursion's Impact On The U.S.

Inspired by his own road trip through 36 states, author Christopher Kelly is out with the book "America Invaded: A State by State Guide to Fighting on American Soil." The book provides a snapshot of the waves of invasion that have touched all 50 American states.

Here & Now's Lisa Mullins talks with Kelly about the inspiration behind the book.