Communication Breakdown

OMG! LOL Look at us!! Learning a new language (rudimentary as it is). Text-speak! Why do we Americans only speak one language? English. When you leave this country to visit another country, they seem to know AT LEAST two; their native tongue and another language...like, English. Why is it not mandatory that Americans learn at least two other languages. The key to every relationship is communication (isn't it?) and I have learned (the hard way sometimes) that the world does not revolve around me. I'm amused at the people who demand "in America YOU MUST SPEAK ENGLISH". America is a melting pot, welcoming all cultures (I thought...Statue of Liberty and all that?). So why don't we embrace all languages, maybe even learn to speak one or two more? So we can communicate better with everyone? I mean, WTF?