 The IRS says it has collected $1 billion in back taxes from high wealth tax cheats. It's a milestone meant to showcase how the agency is making use of the money it received as part of the Biden administration's climate, health care, and tax package signed into law in 2022. Jennifer Kuiper, CBS News. Arizona News Radio. Arizona Democratic Congressman Greg Stampton becomes the second Arizona Democratic Congressman to call for President Biden to exit the presidential race. The first was Raul Grijalva.