Extra security precautions at Mardi Gras in New Orleans

Security precautions are heightened in New Orleans as the city celebrates Mardi Gras. This comes after a shocking terrorist attack on Bourbon Street on New Year's Day. CBS News' Kati Weis reports.

Extra security precautions at Mardi Gras in New Orleans
Security precautions are heightened in New Orleans as the city celebrates Mardi Gras. This comes after a shocking terrorist attack on Bourbon Street on New Year's Day. CBS News' Kati Weis reports.