Irish budget carrier Ryanair says it is considering whether to break one of the final barriers in airline fees: charging passengers to use the toilet.

Ryanair Chief Executive Michael O'Leary Friday said the company is considering charging travelers to use the toilets on board its aircraft. Speaking on the BBC's Breakfast program, he said the company is revisiting the idea of putting coin slots on toilet doors so "people might have to spend a pound to spend a penny." ("Spend a penny" is a British euphemism for using the restroom.)...