Google transfers
PR from pages to other pages.. it's called chanelling
PR within your site through internal linking structure. Read this articlehttp://www.internet-marketing-research.net/internal-link-architecture.php
It deals with how many inbound links versus outbound links on pages and how that will affect your
PR. You still have a link to every page on your site but it's not on the page where you want the highest
PR - it's on a Site map or similar page. (researched by John Scott and PhilC - proven on many sites)