“Tracey Ullman’s State of the Union” (10 p.m. on Showtime): Ullman displays her

“Tracey Ullman’s State of the Union” (10 p.m. on Showtime): Ullman displays her talents for impersonation and versatility in this limited-run weekly series. In short vignettes, Ullman brings to comic life celebrities and other names from the headlines, including political blogger Arianna Huffington; actors Cameron Diaz, Judi Dench, Helen Mirren and Renee Zellweger; soccer star David Beckham; and “60 Minutes” commentator Andy Rooney. Five half-hour episodes are scheduled.