Keegan tackles this difficult and demanding musical with admirable resolve.

As the cast of Arena Stage’s Next To Normal patters through the opening number, “Just Another Day,” it’s hard not to feel a little cynical – another testament to the mundane trappings of suburban life? Is there really anything more to say on the subject? Turns out there is, and even before the number concludes, you realize that this family’s problems reach beyond a teenage girl who feels ignored and a couple with a less-than-satisfying…