Siddharth Kara, Cobalt Red author, joins 'Power Lunch' to discuss the war in the Democratic Republic of Congo for key minerals in Africa.

Rwandan-backed M23 rebels in DRC have reached a strategic airport that services Bukavu, the capital of South Kivu province.

Rwandan-backed M23 rebels who in late January captured Goma, the biggest city in eastern Congo, have since been advancing around one of Africa's great lakes, Lake Kivu, towards the second-biggest city ...