"New Rome"? He brought the Western Empire under his control and established an empire in Italy that prospered. He was not able to establish "New Rome" because Western Rome's armies were too strong and maintained control. He was overthrown by a foreign prince, and his new empire crumbled under the prince's poor leadership. He was successful in building a new political center in the East, unified by the Christian religion.
Yes, it is true that critics of the US Patriot act say the policy goes against constitutional guarantees of privacy, since it allows the federal government to obtain information regarding the location and communications of practically any American citizen.