Minnesota dam partially fails after extreme flooding

Extreme flooding caused a more-than-100-year-old dam to partially fail this week in Minnesota, and officials say the structure is in "imminent failure condition." CBS News' Tom Hanson is at the dam with the latest.

Minnesota dam partially fails after extreme flooding
Extreme flooding caused a more-than-100-year-old dam to partially fail this week in Minnesota, and officials say the structure is in "imminent failure condition." CBS News' Tom Hanson is at the dam with the latest.