The four are Best Buy, RadioShack, J.C. Penney and Sears. The article on their financial woes can be read here:
http://finance.yahoo.com/news/four-retai...-020900118.html

I won't be surprised if J.C. Penny and RadioShack goes under this year. I think that 2014 Sears and Best Buy goes under.. I'm not fan of Obama, it is not his fault. It has to do with the internet.