As Brawley Trial Plods, the Public Shrugs
Tawana Brawley defamation trial, which was supposed to last about one month, is in its seventh month with no end in sight; trial has become known for endless cross-examinations, exceptional bickering and occasional visits by one of defendants, Rev Al Sharpton; Judge S Barrett Hickman has been criticized for losing control of trial; defense will begin its case on May 26, and defendant Alton H Maddox Jr has promised 'long hot summer' in courtroom (M)