He gets shorter every time we tell the story. Sunday school children sing about the "wee little man." Illustrated Bibles and everything from stained-glass windows to coloring books depict a tiny elf of a man, perched bird-like in a tree. "Poor little Zacchaeus." Or maybe "rich little Zacchaeus." Either way we've got a short story about a short man who had to climb a tree to get a good view of the parade. So, how short was he? Was he fantastically tiny? Spectacularly diminutive? Would his picture have made it into the Guinness World Records? To be honest, nobody knows. All we know is that he was shorter than the people standing in front of him, all eager to see Jesus, and so he had to climb a tree to get a good look. Well, maybe that's not exactly all we know. We know that he didn't ask pol…