Synopsis:
Ed Bradley reports on extremist environmental and animal rights groups whose increasingly violent tactics -- including arson and bombings -- make them the biggest domestic terror threat; He's irreverent and he's got no experience, but this Jewish country singer thinks he's got a chance at being elected governor of Texas; Because tour operators use food to attract sharks for their "shark tourist" customers, critics say surfers and swimmers are in more danger now because the dangerous fish are associating humans with food.
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