At 89, famed Flying Tiger Tex Hill is as quick as ever with an Aggie joke, and still likes his Scotch whiskey. Thin and frail now, his kidneys failing, the old warrior knows the years are closing in on him as no enemy could during his many aerial duels in the sky over China. But it doesn't seem to bother him. "I never even think about it," Hill said. "But as far as being frightened, I'm not." David Lee "Tex" Hill is as unaffected by fear as he is by fame, so some might not realize he's a retired one-star...