US President Joe Biden called Russian President Putin a butcher and said that the United States could protect Ukraine if it considered raising taxes on billionaires, the White House reports. Speaking to voters in North Carolina, Biden highlighted an initiative to increase the income tax for high-income individuals from 8.2% to 25%. According to him, this will rise to $400 billion over the next 10 years. “Imagine what we could do with that. We could fundamentally sh- — slash the federal deficit. We could make sure there’s home care. We could do so many things — consequential — including finally…