When it comes to passionate debate the row over a proposed mosque near New York's ground zero has certainly ignited strong feelings on both sides.

But even far from New York the recent controversy has ignited tensions and raised questions about what it means to be a Muslim in America today. That's the very issue which Professor Akbar Ahmed explored when he travelled across the United States visiting 100 mosques in 75 cities for his book 'Journey Into America' and he joined Michelle Fleury to discuss his findings.