Senate Finance Chair Ron Wyden wants to tax billionaires' unrealized wealth gains annually. Biden said he supports the proposal as a potential method to fund Democrats' social-spending bill. "I come from the corporate state of America," Biden said. "I just think it's about just paying your fair share, for Lord's sake." House Democrats have proposed a whole host of options to pay for their $3.5 trillion social-spending bill which includes measures like universal pre-K, tuition-free community college, and paid leave for workers. One of those options, proposed by Senate Finance Chair Ron Wyden, is a change to the way the...