South Koreans who want to visit the U.S. without having to obtain a visa found themselves with a new ally Wednesday. U.S. Sen. George Allen (R-Virginia) said he would give ``100 percent support'' in urging President Bush to give visa-waiver status to South Korea, during a meeting with South Korean Ambassador to the U.S. Lee Tai-sik.. ``For me, requiring these visas is an impediment for business, students, tourism, and for the millions of people of Korean ancestry in our country, who want their families to be able to visit without the long waiting lines to process an application,'' Allen said....