Influential comedian, actor, and anti-racism activist Margaret Cho has amassed an astounding career that’s spanned 30 years. Along the way, her unique perspective and inimitable voice have made the leap from comedy club stages to the realms of film, television, and animation. This week, Cho makes her way to nearby Brookfield, where she’ll take the stage at Milwaukee Improv for a total of four stand-up shows April 1-2.