Gordon sworn in as FHA commissioner; Ginnie to expand digital collateral program; FHA to present overview of its single-family purchase program; Ginnie hosts training sessions for single-family issuer pooling processes and systems; Ginnie clarifies requirements for MBS related to delinquent loan buyout eligibility; USDA to hold online training sessions for its single-family program; USDA raises interest rates for its single-family direct loan programs.