In a letter released at the Roundtable, former Chairman of the Joint Chiefs of Staff Admiral Thomas Moorer warned that the 1977 treaties are creating a "vacuum" that could be filled by a hostile foreign power and conditions that may make the Canal inoperable for critical periods of time.

CENTERFORSECURITYPOLICY: Center For Security Policy

The pressure on him and his wife, singer Allison Moorer, to pay it led to a gig he always swore he'd never take: writing a memoir.

WSJ: What Makes Steve Earle Run