Posted on Tue, May. 20, 2003 Innovation fuels the supply sideBy E. THOMAS McCLANAHANThe Kansas City Star Most people consider taxes to be a dry subject, but last week's column on tax cuts -- the bigger the better, I argued -- drew numerous responses ranging from cheers to catcalls. As usual, the catcalls were the most interesting.Some readers were worried about the federal deficit, which would be larger if President Bush gets anything like the tax cuts he wants. Some dismissed the president's plan as another exercise in "trickle-down economics" aimed at benefiting the rich.That won't help the economy,...