Social media stars have become a magnet for campaigns and political groups that want to push priorities without disclosing where their money is going.
Related stories
Liberals Rush to Defend Mary Peltola After Staffer Accusations
America's Housing Crisis Is a Failure of Economics | Opinion
Scientists Find New Alzheimer’s Clue in Spinal Fluid—What it Could Mean
Parthenon Marbles talks stall as Athens rejects loan proposal
Digital Advertising Has a Data Problem for Small Businesses | Opinion
Trump administration uncovers $1.2B in suspected COVID contract fraud tied to Biden-era spending