A stroll past the corner of 22nd and L Streets on Mondays from 7- 9 p.m. might cause concern for those unfamiliar with the location. It's typical to hear people screaming out as they're being chased, fits of anger, uncontrollable laughter, heated arguments and even opera singing. The unassuming Geery Theatre is home to the Midtown Players on Monday nights for Carrie Bray's improv class. This weekend will kick off The Midtown Players' very first performance. Carrie Bray, who has taken classes from Viola Spolin, performed simultaneously at comedy clubs with Robin Williams as well as at Budd Friedman's Improv, only just recently moved to Sacramento. In the 50's, Bray actually spent one ye