As Senate Republicans go deep into reconciliation bill-drafting mode, Medicare is increasingly coming up as a potential pay-for.

Tech billionaire Elon Musk, who just left the Trump administration as an adviser involved in the Department of Government Efficiency, blasted the tax cuts and spending plans backed by the president that passed the House.

As they look for additional savings, GOP senators have discussed the possibility of cutting Medicare spending they consider to be "waste, fraud and abuse" — with Trump's blessing.