Michelle Malkin has a lot of links and other worthwhile stuff on what is probably conservatives' biggest disappointment with the Bush administration, its failure to control our borders.
If the Democrats want a winning issue in '06 and '08 there are a lot of Republicans and conservatives who would vote for anyone who campaigns on stopping the flood of illegal aliens pouring into this country every day. The GOP, which has been absolutely delinquent on this issue, would find any credible candidate who promised to put a stop to it tough to beat.