How to get msn usa instead of msn uk

HI

i have had this problem once before but the icon I saved and used no longer works .everytime I type msn usa into the URL bar it defaults to uk msn .i have been to the site map and tried to tap msn usa but still goes to uk one .i can get other countries such as Australia and New Zealand but not usa .please could someone suggest a remedy .i am in the uk .thanks