States hard on trail of online sales taxes

If you buy Christmas gifts online this year, you may be saving money on your end, but you might also be costing the state treasury its fair share of sales tax revenue.

State revenue departments across the country have complained for years that big online retailers aren't remitting their share of sales taxes. At stake are the hundreds of millions of dollars that Pennsylvania and other states are losing when a shopper buys a CD, book or television online, instead of in a bricks-and-mortar store...