Trump to Nigeria: Stop Killing Christians or Face the Consequences

Now President Donald Trump has threatened possible U.S. military action against Islamist militants in Nigeria. That's if the West African nation's government does not stop the killing of Christians. For more, our chief Africa correspondent John Zarrella joins us from Johannesburg.I mean, just just walk us through how all of this came about and President Trump's post about Nigeria over the weekend. Great team on it. This follows a few weeks where we've been seeing a number of U.S. officials, including Senato ...