Thank you IRS!
That was the nail in the coffin for speculation in bitcoin.
Instead we can use colored bitcoins to issue USDollar IOUs, which implies a fixed price between the colored coin and USD, therefore no profit will be possible.
And no volatility will occur when the coin is pegged to US dollar.
the U.S dollar is doomed to fail, having lost 97% of it's original value since 1913...No one should want to be pegged to the U.S Dollar.