Rep. Anthony D’Esposito (R-NY) maintained Monday that he has “upheld the highest ethical standards” after a report claimed the Long Island congressman hired an alleged mistress to work in his district office. The New York Times reported that D’Esposito, 42, paid Devin Fass – the woman he was allegedly having an affair with – $2,000 a month to work part time in his Garden City, NY, office a few months after taking his oath of office as a congressman, multiple sources told the outlet. Payments to Faas, who was hired in April 2023, ended in July of that year – around the…