It's hard to put a finger on what exactly doesn't gel in Folger Theater's The School For Scandal. The performers, by and large are first rate -- we have Kate Eastwood Norris, she of the impeccable comic timing, as the social-climbing Lady Teazle, and David Sabin as her husband, blustering conspiratorially to the audience at her antics. When it comes to playwrights, Sheridan's no slouch, and it's at times surprising how well the 18th century......