Leno on Columbus and Other

Leno was on fire last night:

Columbus did not set out to discover America. He was looking for a quicker route to India. Do you know why he was trying to get to India? He was trying to get the King of Spain's computer fixed.
Most medical historians now believe that it is Christopher Columbus who brought sexually transmitted diseases to the new world. On the other hand, the Indians gave him tobacco so it's pretty much a wash.
Over the weekend a huge wildfire jumped across the border from Mexico into California. Here's the strange part, today it got a job at Wal-Mart.
Did you see the Astros-Braves game yesterday? The Astros won in 18 innings. 18 innings. The game was so long, three of the relief pitchers visas expired!