GOP senator says tax cuts must be followed by 'structural changes to Social Security and Medicare'

Senate Republicans started the clock for a final vote on their tax plan Wednesday evening, but among the unresolved demands from GOP waverers is a provision to prevent the bill from adding up to $1.5 trillion to the federal deficit over 10 years. No serious analysis has suggested the growth from slashing taxes for corporations and other businesses would make up that shortfall, and Republicans haven't offered any evidence. At a Politico Playbook forum on Wednesday, Sen. Marco Rubio (R-Fla.) said ...