Thomson ReutersFebruary 22, 2013 14:00
* Postal Service sponsorship valued at more than $30 million
* "Years of broken promises" U.S. Attorney says
* Postal Service benefited from sponsorship, defense says (Adds other cases, expert comment)
By David Ingram
WASHINGTON, Feb 22 (Reuters) - The United States accused cyclist Lance Armstrong on Friday of defrauding the U.S. Postal Service by taking its sponsorship money at the same time he was doping and using performance-enhancing drugs in violation of cycling rules.