1.0 link 56601 http://www.huffingtonpost.com/julian-e-zelizer/nothing-new-about-the-fig_b_56601.html Tensions are high on Capitol Hill. Every day seems to bring another political controversy over national security. President Bush is refusing to share with Congress information about the NSA spying program. He has asserted executive power in Iraq, even as Republican legislators are starting to challenge him. The story is the same when dealing with issues not directly tied to national security -- he is refusing to allow former White House aides to testify about the firing of U.S. attorneys....

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