Rosemary Harris to replace Diana Rigg in "My Fair Lady"; Hugh Dancy and Megalyn Echikunwoke join "Apologia"; "School Girls” cast reuniting for encore run; MTC expands "30 Under 30” program to age 35; TKTS pilots price listing; “Mean Girls” to offer free fan performance; “Sweat” to tour the Midwest; “Be More Chill” sells out; “Moulin Rouge” aiming for summer 2019 Broadway bow; Tommy Tune hints at “Grand Hotel” revival; Ruthie Ann Miles returns to the stage; Charlotte Rae dead at 92