Here's a 40 minute video — the first in a series being produced by the National Cartoonists Society — in which great cartoonists are interviewed. The subject this time is the great cartoonist Mort Drucker and he's quizzed by John Reiner, who draws the newspaper features, The Lockhorns, Howard Huge and Laugh Parade. Drucker is one of those cartoonists whose work causes other artists to stare with open mouths and mutter, "How does he do that?" He explains a little of how he does that in this conversation…