He does it because it is his responsibility as steward of the executive branch to retain the capacity of this administration, and every administration going forward, to function appropriately and independently from the congressional branch of government.

WHITEHOUSE: Press Briefing

The Center for Security Policy looks forward to working with legislators and the executive branch to ensure that America 's security interests and sovereignty are safeguarded as our record trade deficits give rise to ever-increasing opportunities for foreign investors to recycle U.S. dollars through purchases of what remains of our industrial, technology and service sectors.

CENTERFORSECURITYPOLICY: Gaffney urges rejection of UAE port management

But ahead of the demonstration, the Post Office insisted that no decision had yet been taken on the future of the King Street branch, and a public consultation would take place if any plans were brought forward.

BBC: Carmarthen post office: Rally over 'shop move' worry

The assertion of privilege here has to do with the absolutely necessary action that any President, any head of the executive branch must take in order to preserve the capacity of the executive branch to engage in internal deliberations, both now and in the future, for every administration going forward, for every President of either party, of some party in the future.

WHITEHOUSE: Press Briefing