Drenched in equal measures of joy and grief, this documentary opera - a tribute to the warrior saints of AIDS activism - will make you weep, rage, and sing, maybe all at once. Director John Greyson gleefully riffs on Gertrude Stein's subversive 1934 opera, Four Saints in Three Acts, to create a glorious mélange of palindromes, saints and criminals and a cameo by Queen West's al...