Need To Know

Presidentiality: Herman Cain and the Electrified Fence

Clip: Season 2 | 2m 39s

Republican presidential candidate Herman Cain said recently that he would support building an electrified fence at the U.S.-Mexico border that could "kill" illegal immigrants. Presidentiality looks at the history of immigrants braving all kinds of violence in order to start a new and better life on American soil.

Aired: 10/18/11

Rating: NR

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