Immigration Protests: Should illegal immigrants be arrested at today's demonstrations?
http://www.msnbc.msn.com/id/3096434/
Overall, do illegal immigrants help or hurt the U.S. economy?
The first poll is slightly greater than 2:1 in favor of arresting them.
The second poll is slightly less than 2:1 in favor of hurting the economy.
Which tells you that around 2/3 of the people who vote have their head screwed on properly.