 CBS News Brief. Top aides to President Biden are pushing back on calls from some Democrats that Biden leave the race. And CBS's Skyler Henry reports the campaign claims fundraising is strong. President Biden is at Camp David with his family to celebrate the 4th. His campaign says the money keeps rolling in, raising $33 million since the debate. A ruling is expected tomorrow from the Supreme Court on former President Donald Trump's presidential immunity claim. Here's CBS's Jan Crawford.