Here's seven of my 2017 favorites. Why seven? Well, in many cultures seven is considered sacred, both beneficial and protective for its bearer.Honestly? Seven is all I got. I probably saw about two dozen shows this year, but these are the ones that stayed with me.Christine Lahti1.Signature Theater's Fucking A by Suzan-Lori Parks takes Nathaniel Hawthorne's The Scarlet Letter and goes all …