Roundabout to mount Fiasco Theatre "Merrily We Roll Along" in 2019; City Center announces its 75th anniversary; Marc Shaiman and Scott Wittman writing musical adaption of “Some Like It Hot”; Ben Levi Ross to lead tour of “Dear Evan Hansen”; national tour and cast album update; Drama League and Chita Rivera Awards winners; Tony winner Ruthie Ann Miles loses unborn child following death of her 2 year old daughter