How wasps impact the planet; Restoration of a crucial fish population

Entomologist and behavioral ecologist Seirian Sumner explains why wasps don't deserve the bad rap they get. And, outdated dams are preventing many fish species from migrating and spawning. One Native American tribe in Nevada is trying to recover the dwindling population of an endangered fish it's relied on for years. Kaleb Roedel of the Mountain West News Bureau reports.