For decades, The Walt Disney Company was a reliable source of family-friendly entertainment. It may not have been high art, but you felt safe sending your children to the theater with a dollar clutched in their hands to pay for a matinee or letting them select a Disney movie from your video or DVD collection. Those days are gone. Despite a massive collapse in share prices the last time Disney released its inner gay, the studio is at it again, this time with a miniseries that its stars describe as a “gay explosion.”Technically, the new series, Agatha All Along ,...