WASHINGTON - Illinois congressman Danny Davis and an aide took a trip to Sri Lanka last year that was paid for by the Tamil Tigers, a group that the U.S. government has designated as a terrorist organization for its use of suicide bombers and child soldiers, law enforcement sources said. Davis' seven-day trip came under new scrutiny this week following the arrests of 11 supporters of the organization on charges of participating in a broad conspiracy to support the terrorist group through money laundering, arms procurement and bribery of U.S. officials. The five-term Democratic congressman said he was unaware that...