Kenya Politics: Thousands watch Odinga take mock oath of office

Kenyan opposition leader Raila Odinga has taken a mock presidential oath of office in Nairobi. He says he's now the country's 'alternative president', in a protest against last year's election of Uhuru Kenyatta, who he says committed electoral fraud. But the government says Odinga's antics could see him charged with treason. Kerry Alexandra reports.