The North Wind and the Sun

A traveler wrapped in a cloak walks down a lonely road. The north wind and the sun watch from above the traveler. They wonder which of them is more powerful than the other. The wind and sun make a bet to see who can get the traveler to remove the cloak. They both try their best. The wind blows with a truly powerful force. But what can the sun do? Can it win the bet by being the first to make the traveler remove the cloak?