In June 2019, Feinstein and eighteen other Democratic senators sent a letter to USDA Inspector General (IG) Phyllis K. In March 2019, Feinstein was one of thirty-eight senators to sign a letter to United States Secretary of Agriculture Sonny Perdue warning that dairy farmers 'have continued to face market instability and are struggling to survive the fourth year of sustained low prices' and urging his department to 'strongly encourage these farmers to consider the Dairy Margin Coverage program.'

23 Intelligence programs and NSA programs.