NEW : The report is critical of what it calls a professional sports loophole that allows leagues to be treated like trade or association groups and be exempt from federal income taxes on earnings . Obama shares `` Coburn 's commitment to cutting out waste , '' a spokeswoman says . Comment: Sen. Tom Coburn says taxpayers could have saved $ 18.9 billion . Coburn puts much of the blame for the wasteful spending on Congress .
NEW : Obama shares `` Coburn 's commitment to cutting out waste , '' a spokeswoman says . Comment: Sen. Tom Coburn says taxpayers could have saved $ 18.9 billion . Coburn puts much of the blame for the wasteful spending on Congress .