Biden calls for his capital gains tax proposal to be retroactive !

President Joe Biden is formally calling for his proposal for the largest capital gains tax in history to be retroactive. CNBC's Robert Frank reports.

Joseph Robinette Biden Jr. is an American politician who is the 46th and current president of the United States. A member of the Democratic Party, he served as the 47th vice president from 2009 to 2017 under Barack Obama and represented Delaware in the United States Senate from 1973 to 2009.