A regal 'Elizabeth Rex' makes for captivating drama at Chicago Shakespeare
We tend to think of the conjunction of politics and performance as a modern phenomenon, with presidential candidates regularly turning up on late-night talk shows and attempting to be as hip and engaging as their show biz-honed hosts. But in "Elizabeth Rex," the enthralling drama now in director Barbara Gaines' vividly staged Chicago Shakespeare Theater production, the late Canadian playwright Timothy Findley suggest…