Twice a year, on President's Day and Columbus Day, the stunning Reading Room of the Library of Congress opens its door to the general public. I'd visited the Library of Congress on many occasions but had never gotten a chance to really see the main Reading Room, other than through a glass window on a second floor balcony. So last week, I decided I would cross it off my DC-to-do-list. The Library of Congress is a bibliophile's dream. The collections of the Library include more than 32 million cataloged books and other print materials in 470 languages, including some rare works like the rough draft of the Declaration of Independence, a Gutenberg Bible, 1 million issues of world newspapers ...