This is assuming the US Government security authority over the Internet. Why should the US Government get the appearance of special privileges where other governments of the world do not? ...
http://www.govexec.com/dailyfed/0403/040103td1.htm "The Homeland Security Department may take more of a direct role coordinating the security of the Internet's infrastructure, ...
"The Bush administration's acting cybersecurity adviser Howard Schmidt said in an interview that homeland security and government agencies officials are working to formalize a security apparatus for the global Internet root servers, a series of computer systems that underpin the Internet's address system."
Since US state and federal government affliated agencies already operate 5 out of 13 of the root servers, and 2(3) root server operators are essentially under the contractual supervision of the US government, I'm not sure how much more direct you can get.
speaking for f-root, ISC reports attacks and outages to US-NCS and have since long before the current executive order, and without reference to any order. it's not an exclusive. any nation that the US state department tells ISC is not an "enemy" is welcome to hear our attack and outage reports. generally this means G8 but...
3 root server operators are outside the US.
...we've now got f-root mirrored in spain and china, with more on the way. -- Paul Vixie (PS. plans for dns-isac.org are proceeding nicely.)