Former Massachusetts governor Mitt Romney hopes thatmany key Republican endorsementswill helphim win the White House in 2008.

It is time now to unleash the creativity of American scientists and technicians and allow them to take on the problems of protecting the United States, its allies, and peace.

Obama's Stakhanovite efforts to transform America's economy and society into something akin to European-style social democracy are undergoing considerable analysis and debate, especially as the 2012 campaign steams towards November. Most presidential re-election contests are referenda on the incumbent, and this year will be no exception.

My secretary raced into my office to say that the Pentagon was on fire. I went to a window and saw a great cloud of smoke and fire rising just across the Potomac River from the iconic building's western side. We were under attack. We had no clue what was coming next.

Since its controversial withdrawal from the 1972 Anti-Ballistic Missile Treaty a few months after the Sept 11, 2001, attacks, U.S. strategic thinking has turned toward developing ways to outflank rogue states that might decide that packing nuclear warheads into ballistic missiles provide a better vehicle for attacking the United States.

In the context of U.S.-Russian relations, which should be one of friendship and cooperation, the anxieties that affected the relationship in the past simply don"t apply.

The North Korean nuclear test is sparking fundamental changes in Japanese defense policy.

Accessibly blending historical arguments with current policy debates, The Powers of War and Peace contains a controversial analysis of the foreign affairs power supplemented with arguments based on constitutional text, structure, and history.