President-elect Barack Obama has chosen a highly experienced, pragmatic A-team to run U.S. national security during his administration. He appears to have opted for forceful, passionate individuals who can be expected to clash on some key issues. The talent level looks high. But the dangers of serious collisions between key individuals on major policy issues down the road are already clear.

Lane Kiffin, fired by the Oakland Raiders this year after 20 games as head coach, was introduced Monday as the football coach of the Tennessee Volunteers.

President-elect Barack Obama has chosen a highly experienced, pragmatic A-team to run U.S. national security during his administration. He appears to have opted for forceful, passionate individuals who can be expected to clash on some key issues. The talent level looks high. But the dangers of serious collisions between key individuals on major policy issues down the road are already clear.