"The post office would have broken even if they hadn't paid themselves a couple of hundred million in bonuses," he said. "And that speaks for itself."
Taxpayer groups say the government should stop giving the Postal Service money until it cuts the waste.
The Postal Service says it may lose $2 billion to $3 billion this year, prompting another stamp price increase. The agency says it has addressed some of the abuses, such as the town cars, which will not happen again.