All Hagel is doing is trying to play to the small minority of people who are obsessed with the issue of immigration. He knows that he is too much of a RINO to win the 2008 nomination so for the next four years we'll see him try to draw enough support from the fringes of the party.
You have expressed interest in this subject in the past, please let me know if you want off this ping list.
By "small minority of people", are you referring to the voters of California (the most populous state in the country) who passed Prop 187, and the voters of Arizona who passed Prop 200? In addition, several other states are in the process of getting their own anti-illegal immigration propositions on their state ballots within the next 2-4 years.