They asked about "the unitary executive," trying to figure out how much power he would turn over to a president in wartime.

He has also studied the history of the unitary executive in the United States.

Levinson has been a critic of the unitary executive and excessive presidential power.

President Bush wants to operate as a "unitary executive," with the power to do whatever he wants despite what the law says.

But if you look at the literature of constitutional law, those who believe in a unitary executive truly want a radical change in American government.

However, those scholars acknowledge that a constitutional amendment would be required to eliminate the federal unitary executive.

In fact, the unitary executive was a matter of controversy long before the Reagan administration.

They acknowledge that there is a compelling case for a unitary executive within the armed forces.

For this reason, the Constitution places exclusive authority to command military operations in the unitary executive.

That clause had to be read against the constitutional design of a strong unitary executive.