Easiest way to grill an ear of corn on the grill:

Soak corn, husk and all, in water for at least 30 minutes.

Heat grill to medium

Grill corn for 20-25 minutes, turning frequently

Open husk CAREFULLY

Enjoy!

Other way to prepare:

Open husk almost all the way, leaving one end attached

Rub olive oil, salt, and pepper on exposed corn

Close husk, using butcher's rope, or other, non-flammable tie at the end that was opened

Heat grill to medium

Grill corn for 15-20 minutes, turning frequently

Open husk CAREFULLY

Enjoy!