It's not a localised issue, by the looks of things. Yahoo! Had exactly the same issue exactly a year ago today.
Last time it was due to an upgrade going wrong (allegedly). Solutions from last year don't seem to be working (using http://m.yahoo.com/) You can check the service status (unofficially) at http://downrightnow.com/yahoomail.
The number of people asking this today suggests that a server is down again somewhere. There is nothing on the suggestion board as yet. Just try again later seems to be the only choice..
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.