Trump says he is ready to sing again under oath. “Yeah, I would testify,” Trump said earlier Friday during a presser with Speaker Mike Johnson, who made a pilgrimage to Mar-a-Lago. “That’s not a trial, that’s a scam.” It sounds like a declaration of strength to flex his truth-telling. Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: 15 worthless things Trump will give you for your money But former federal prosecutor Ankush Khadori wonders if former President Donald Trump remembers how the other times faired. “It’s generally not a, good idea for defenda…