The opening credits of the new Netflix comedy (maybe comedy-drama) Grace And Frankie lay out the show's high concept using the song "Stuck In The Middle With You" and a set of wedding cake toppers. You see two couples, then two couples with kids, then the husbands kissing, then the abandoned women falling through the broken cake. ....two women with a tense acquaintanceship who find out that their husbands — played by Sam Waterston and Martin Sheen! — have been in love with each other for decades and want to take advantage of the age of same-sex marriage by getting...