'Gunboat diplomacy' makes for high stakes foreign policy

Military confrontations seem to be happening across the globe these days. One especially fraught area is the Persian Gulf, where a conflict between Iran and the US may be closer than ever. Sending warships to force concessions from a country is not new. The US, as well as other countries, have done this in the past. It's called "gunboat diplomacy," and as The World's Shirin Jaafari reports, it can be extremely risky.