Anna Moneymaker/Getty Images; Mike Jordan/Getty Images for SXSW
- Marianne Williamson is challenging Biden for the 2024 nomination, running on a progressive platform.
- Bernie Sanders told Insider that she'll run a "strong campaign and raise very important issues."
- Sanders has said he supports Biden in 2024, but his praise for Williamson contrasts with other Democrats.
Independent Sen. Bernie Sanders of Vermont offered tepid praise on Tuesday for Marianne Williamson's 2024 presidential campaign, telling Insider at the Capitol that he expected her to raise "very important issues" during the campaign.