Colombians will elect a new President this year, and amid a crowded field, one candidate has reason to view the coming campaign with mixed emotion. Ingrid Betancourt was running for president 20 years ago when she was captured by Farc guerrillas and held captive in the jungle for more than six years. Colombia’s guerrilla war is over, and now she’s running again, promising a war on corruption. She says she’ll finish what she started - is that possible?