Melissa Gorga, Luann De Lesseps, Andy Cohen, Leah McSweeney. Getty Images(4) Melissa Gorga and Luann de Lesseps are the latest Housewives to come to Andy Cohen’s defense against the claims made by Leah McSweeney’s lawsuit. “I’ve been to personal social dinners with Andy multiple times. [He’s] always respectful, always appropriate,” Gorga, 44, said on the…