AARP threw its support behind CMS' proposed Part B drug-pay demonstration on Wednesday (March 23) as industry and patient groups push back against the proposal. "Last year Medicare Part B spent $22 billion on prescription drugs, double the amount spent in 2007," said Nancy LeaMond, chief advocacy and engagement officer at AARP, in a statement. "This spending escalation is simply unsustainable. We cannot continue to ask taxpayers and Medicare beneficiaries to pay for exorbitantly priced prescription drugs without any consideration...