On a tougher lead, declarer fitness

Ron White, a stand-up comedian and actor, said, "Comedy is all about the pause." Bridge players need to pause, but in a tournament or duplicate, they cannot think for a long time between tricks, unlike, for example, a writer, who may pause at length while trying to find le mot juste.

While reading this column at the breakfast table, you may of course pause for as long as you like. You can always reheat your coffee or tea in the microwave.

South is in six hearts, and West finds the best lead of a low spade. What should declarer do?