Danger of terrorists exploiting loophole known post 9-11, but no action taken Posted: August 6, 2003 1:00 a.m. Eastern By Paul Sperry © 2003 WorldNetDaily.com WASHINGTON – The Homeland Security Department says it has suspended the little-known federal Transit Without Visa program after learning al-Qaida plans to exploit the screening loophole to hijack planes by the end of summer. But the administration ignored several warnings after the Sept. 11, 2001, hijackings to close the loophole. The Transit Without Visa system, or TWOV, permits foreign travelers to stop briefly in the U.S. without visas before departing the U.S. for other countries....