Some say it’ll cost $50 billion. Others predict $100 billion. Senate Minority Leader Harry Reid (D-Nevada) goes as far as to predict it will be $150 billion. Whatever the final price tag for federal spending tied to Hurricane Katrina, the impact on the U.S. budget threatens to be more than trivial. The bond market seems to be preparing for no less. The benchmark 10-year Treasury Note’s yield continued rising today, closing the trading session at 4.14%, the highest since August 29.