It's time for cooler heads to prevail By Tony SnowFeb 24, 2006 WASHINGTON, D.C. -- Washington was wracked last week by a spasm of Know-Nothingism, starring Democratic and Republican members of Congress whose hysterics confirmed the Founders' view that the president, and not the legislature, ought to handle matters of national security. At issue was a takeover of the British shipping firm P&O by a United Arab Emirates holding company, Dubai Ports World. The transaction, first reported in the British press last Oct. 30, should have been routine. P&O leases cargo terminals at a half-dozen U.S. ports, and pays...