The scandalous drama that set the Internet down a new path, “Pam & Tommy,” arrives on August 9th on DVD from Lionsgate. The daring series created by Robert Siegel (“The Wrestler,” “Big Fan”) features Lily James (“Cinderella,” “Mamma Mia! Here We Go Again”), Sebastian Stan (“Captain American: The Winter Soldier,” “The Covenant”), Seth Rogen (“This …