** FILE ** Lady Bird Johnson, center, her daughters Luci Baines, left, and Lynda Bird, right, model their inaugural gowns in New York City in this Jan. 12, 1961 file photo. Lady Bird Johnson, the former first lady who championed conservation and worked tenaciously for the political career of her husband, former President Lyndon B. Johnson, died Wednesday, July 11, 2007 a family spokeswoman said. She was 94. (AP Photo)