Chinese telecom giant Huawei already has a pretty big (and growing) presence in North America, having previously signed deals with regional carriers like Leap (better known by its Cricket brand) and MetroPCS -- but apparently, a bid to supply one of the Big Four with equipment is hitting a little too close to home for some legislators. A group of eight US Senators has filed a letter with the Treasury Department expressing concern over Huawei's alleged ties with everything from Saddam Hussein's Iraq to present-day Iran to China's own People's Liberation Army, saying that such a company "should no