The US has the most powerful military in the world and its forces are currently involved in conflicts in Afghanistan, Iraq and Pakistan.
It also has military bases in dozens of countries - the most prominent among them being Germany, Italy, South Korea, Saudi Arabia and Kuwait.
Many feel the only superpower in the world has an obligation to enforce and protect global peace and democracy.
Send us your views and get your voice on the air
But critics argue US foreign policy is driven by its "military industrial complex" that promotes war - not peace.
On Monday's Riz Khan we ask: Does the US have any moral right to police the world?
Joining the show will be Andrew Bacevich, a retired US army officer who now teaches history and international relations at Boston University, and Blake Hounshell, the editor of the US magazine Foreign Policy.
This episode of the Riz Khan show aired from Monday, August 2, 2010.
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