Speaking in Dayton, the Senator stands by his call for American children to learn Spanish, which has prompted disagreement from the right.
"I said something the other day down in Georgia, and the Republicans jumped on this... This is an example of some of the problems we get into when somebody attacks you for saying the truth."
Adds: "I don't speak a foreign language. It's embarrassing!"
Critics have accused Obama of encouraging Americans to learn Spanish over immigrants learning English.
