 critical supplies that they may need if this storm causes some significant damage. Bottled water, canned goods, toilet paper. CBS News has learned that a group of House Democrats are circulating a letter asking for President Biden to step aside as the party's presumptive nominee. Here's CBS News political director Finn Gomez. The Biden-Harris campaign is aware of the front-line letter and is trying to stop its momentum, according to a source within the campaign.