New Hotel Sets Aside Space Just For Women By CHRIS KNAPE The new JW Marriott hotel under construction in Grand Rapids, Mich., center, will feature a 19th floor and lounge exclusively for female clientele. (Photo by Noel A. Webley II) GRAND RAPIDS, Mich. — Among the amenities planned for this city's new JW Marriott hotel, one might be a first in America.The Alticor Inc.-owned riverfront hotel is reserving its 19th floor and a lounge exclusively for female clientele when it opens Sept. 19.Andrea Groom, a spokeswoman for the 24-story, 340-room hotel, said the idea recognizes more than...