SEASON PREMIERE: This Emmy-winning Amazon series returns for a new season at full speed, with a big splash, and with a Season 3 opener that had me laughing out loud several times during the hour. The setting, for most of it, is a USO tour performance, for which the still-on-the-rise Mrs. Maisel (Rachel Brosnahan, nailing every single scene) takes the stage in front of a gaggle of fevered servicemen, and charms them. Series creator Amy Sherman-Palladino both writes and directs the opener, which a