 what you want, the way and time you want. Sam's memberships begin at $50 a year. Deborah Rodriguez, CBS News. Bloomberg Philanthropies is gifting $1 billion to make medical school free at Johns Hopkins University for most students there. The gift covers tuition for families earning less than $300,000. Living expenses and fees will also be covered for those families who earn up to $175,000. Steve Kathan, CBS News.