Two women on trial for murdering the North Korean leader's half-brother visited the Malaysian airport where he was poisoned under heavy police guard on Tuesday, with the exhausted suspects pushed around in wheelchairs and one bursting into tears.Indonesian Siti Aisyah and Vietnamese Doan Thi Huong, wearing bulletproof vests and in handcuffs, were brought to Kuala Lumpur International Airport as part of court proceedings along with the judge, defence lawyers and prosecutors.About 200 poli