Max is aware of this - and has been doing a lot of work on the site and servers lately. If you mouse over the link you want to go to, leave the mouse there for a moment longer than normal and you'll see the link fills out - and then go ahead and click through. Not sure why, but that's what works for me for now. (Always keep a copy of your post for "just in case it doesn't go through," and you might skip the "preview" step until this is resolved.)