A postal worker, Richard Hopkins, who alleged a supervisor tampered with mail-in ballots has recanted his statements, House Democrats said Tuesday.The Erie, Pennsylvania, worker previously signed a sworn affidavit but was later questioned by investigators and recanted the allegations, according to the House Oversight committee.Postmaster Robert Weisenbach previously denied Hopkins’ claims, the Erie Times-News reported earlier.U.S. Sen. Lindsey Graham, of South Carolina, received Hopkins’ affidavit