Why do you think learning Spanish is important? How is it relevant to the USA economy?

Watch the following videos of commercials promoting second language learning  - why learn a second language?
http://www.powtoon.com/p/cvFe89tumP2/
http://www.youtube.com/watch?v=gh5xu35bAxA
http://www.youtube.com/watch?v=hS8hUCXnsv4
http://www.youtube.com/watch?v=O0Bxz5gcmyM
http://www.youtube.com/watch?v=vgbgqDo2hK8
http://www.youtube.com/watch?v=-te-toPHWVQ
http://www.youtube.com/watch?v=aZQhUFgqlhw&list=PL0E112DF7AC6D54E3&index=12
http://www.youtube.com/watch?v=ZzzGWrYHTkw&list=PL0E112DF7AC6D54E3&index=13
http://www.youtube.com/watch?v=V8jYJomGTRQ&list=PL43505C65D55AAEED&index=3
http://www.youtube.com/watch?v=OFhdYvkn7Ns&list=PL43505C65D55AAEED