Images of a migrant worker apparently guiding visitors around one of Kuala Lumpur’s best-known heritage sites have triggered a backlash in Malaysia, with critics asking why locals were not hired instead.The row erupted after photos and video circulated online showed visitors being shown around the Sultan Abdul Samad Building, a colonial-era landmark that has overlooked the capital’s Independence Square since the 19th century.Sharp-eyed viewers noticed that among the staff in KL City Gallery...