US tax laws cross state lines for revenue

As more and more US states face crippling deficits, they are turning to a new application of the tax laws as a potential source of revenue. Retailers are reacting by filing suit and terminating contracts in the states that pass these laws. Though many believe these laws affect only internet companies, Erin Kelechava explains that they could have far-reaching implications for the tax treatment of all kinds of out-of-state companies.