Donald Trump’s own presidential campaign has failed to substantiate the former president’s Saturday rally claim about children and schools, according to CNN, which deemed the statement a “lie.” Trump recently spoke at a Moms for Liberty event where the former president made an eye-popping claim about transgender kids. “The transgender thing is incredible… your kid goes to school and comes home a few days later with an operation. The school decides what’s going to happen with your child,” Trump said last week. Want more breaking political news? Click for the latest headlines at Raw Story. ALS…