The American Theater Company is seeking entries for its seventh annual Big Shoulders Festival, a one-night showcase of short plays about Chicago. The festical is set for Tuesday 5/12, at ATC. Texts (monologues and plays) should be no more than 10 minutes long and must deal with a subject related to the city. Submissions must be received by Sunday 3/15. E-mail them to (put “Big Shoulders submission” in the subject line), or mail them to American Theater Company, attn Heather Meyers, 1909 W. Byron, Chicago, IL 60613. “The winner will be rewarded a cash prize and bragging rights. Otherwise–there is no pay involved and no submission fee,” ATC says.