NBC says it will devote much of its time on newscasts Wednesday to discussions of immigration.
NBC's "Today" show, "Nightly News" and "Dateline NBC" will explore the issue along with sister networks including MSNBC and the Spanish-language Telemundo.
MSNBC will devote portions of every show to immigration. Telemundo's morning program will air from Arizona, the first time the show has gone on location.
The issue has taken on new import recently with the passage of an Arizona law requiring authorities to question people about their immigration status if they are suspected of being in the country illegally.
NBC says the coverage will include release of a poll on American attitudes toward immigration.
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