[Tichy]

I have the occasional problem with the NY Times, which I can usually remedy by opening the URL with a different browser. The NYT seems to require logins randomly.

[araneae]

Here's a better solution: install the BugMeNot extension for firefox. It logs you into NYT and other sites by providing the credentials. https://addons.mozilla.org/firefox/addon/6349

[Tichy]

I've tried that years ago, but it never seemed to work very well. The accounts would tend to be invalidated too quickly.