If terrorism was really a threat to the US, don't you think we would have had another attack since 9/11? It wouldn't even have to be more airplane attacks. It could be bombs blowing up buses, houses, trains, but no - it hasn't happened. That shows that there is ABSOLUTELY no homegrown terrorist threat to the US. If you have any common knowledge, you know that you can find most of the ingredients to make a bomb in your local Walmart (Fox has even done reports on it). There are NO terrorists in the US (except for the government, of course).