Key Republican senators criticized Donald Trump’s latest campaign pitch to temporarily cap credit-card interest rates at 10%. “I think it would do more damage than good,” Sen. Mike Rounds, a senior member of the Senate Banking panel, said Sen. Thom Tillis, another GOP member of the panel, said the proposal too closely resembled Kamala Harris’ proposal to prevent price gouging for groceries, usually an ideological red line for Republicans. Who's the communist now?