U.S. rethinks a tax-free rule as parcels shipped from China flood in with booming cross-border shopping

The explosive growth of cross-border e-commerce has caught the attention of U.S. lawmakers amid a bitter U.S.-China trade war and cast a spotlight on a tax rule that critics say has allowed hundreds of millions of China-originated packages to enter the U.S. market each year without duty and without reliable information for lawfulness. (March 4) (AP Video: Melissa Winder)