1. The Glass Menagerie once again taps into the audience's emotions, as it has for 70 years.
2. "Her son is about to fly away, never to seen or heard from again and she knows it," Jones said.
(Are they all grammatical? Would you check the errors in them?)
In #1, be sure to put the title of the play in italics. Otherwise, it's fine.
In #2, add "be" before "seen" ... and then it'll be perfect.