If it was "morning in America" for President Ronald Reagan, a new commemorative postage stamp due in February to mark "the Gipper's" birth centennial will forever view the sunrise.The new commemorative stamp, whose design was unveiled Monday at the Ronald Reagan Presidential Library in Simi Valley, Calif., always will be valid for a 1-ounce first-class letter, the U.S. Postal Service confirmed. It officially will be released at the library on Feb. 10, 2011, four days after the 100th anniversary of Reagan's birth.Texas artist Bart Forbes did the portrait, based on a 1985 photograph of Reagan taken at Rancho del Cielo,...