6 things to keep an eye on in Iowa -- the Republicans

4. The role of immigration

Yes, Iowa is a landlocked Midwestern state that doesn't share a border with another country. Nevertheless, illegal immigration emerged as a vital issue among voters. In Western Iowa, Representative Steve King has consistently railed against illegal immigration. In an Eastern Iowa Congressional primary last year, illegal immigration became such a heated topic one candidate filmed a commercial at the Mexican border. The candidates' stances on illegal immigration may help drive turnout in some precincts -- and the results may indicate whose message resonates best with voters.

At right, the border in San Diego.
(AP Photo)
4. The role of immigration Yes, Iowa is a landlocked Midwestern state that doesn't share a border with another country. Nevertheless, illegal immigration emerged as a vital issue among voters. In Western Iowa, Representative Steve King has consistently railed against illegal immigration. In an Eastern Iowa Congressional primary last year, illegal immigration became such a heated topic one candidate filmed a commercial at the Mexican border. The candidates' stances on illegal immigration may help drive turnout in some precincts -- and the results may indicate whose message resonates best with voters. At right, the border in San Diego. PHOTOS 6 things to keep an eye on -- the Democrats DISCUSS What do you see as the key factors?
Text by James Pindell and Jason Tuohey