Jenny Slate reteams with Gillian Robespierre, who directed her in ‘Obvious Child,’ for this look at adultery and dysfunctional New York families, co-starring Edie Falco, John Turturro, Jay Duplass and Abby Quinn. The core talents who helped to make 2014’s unwanted pregnancy comedy Obvious Child such a delight — writer-director Gillian Robespierre, writer-producer Elisabeth Holm and lead actor-executive producer Jenny Slate reteam here for Landline , a more ambitious effort with a crack supporting cast.