Amanda Dever, Operations Coordinator for the Central West End Association, CWEnder Claudette Walker and I are among those who will be modeling hats at a "Get Your Hat On!" Tea at Schlafly Library Sunday afternoon from 3 to 4:30 p.m. Hats are provided by Jolie Mackney of The Vintage Haberdashery and Ann Dillon of Ann's Hats and Boutique. When Ann…