So I'm looking for ways to optimize my site for user and search engine purposes.  I've read several articles and looked at several different plugins.  To say the least, I'm thoroughly confused as what are the best practices for managing internal and external links.  Here is a list of some of my questions:Which internal links should be set to nofollow?Which external links should be set to nofollow?To what degree does actively managing links contribute to your PR?Should you use nofollow blindly on all links in comments?If a link to an external site is broken (404 or whatever), should you nofollow that link?  What about noindex?As you can see, lots of questions.  I'm hoping that you experienced webmasters can give a newb some best-practice advice.
Tips for managing internal and external links using WordPress
seo;links
Don't worry about it. Google changes too frequently to spend hours sculpting, and page rank is a minimal part of their ranking these days.Get the page descriptions and meta tags right and then concentrate on good, relevant content and link internally when it's good for the article - this is what will get people to link to you.