In Foreign Policy, a New Trio at the Top

By Anne E. Kornblut and Glenn Kessler

When Sen. John F. Kerry (D-Mass.) gavels the Senate Foreign Relations Committee to order today and welcomes Sen. Hillary Rodham Clinton (D-N.Y.) to her confirmation hearing as President-elect Barack Obama's nominee to be secretary of state, he will mark the ascendance of a new triumvirate dominating the foreign policy arena.

The hearing will also call attention to a particularly awkward tangle of relationships.....