Having a strong or a weak dollar, which is better for America? Why?

Check some of these sites. What do YOU think?

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS374&q=strong+or+a+weak+dollar&aq=f&aqi=&aql=&oq=&gs_rfai=CfNauwfMfTJP3E4LqzATttIzQDQAAAKoEBU_QyX6f