Meet Bill Ackman, billionaire investor, hedge fund titan, and the definition of a Wall Street comeback. Once praised for his bold strategies, he took a massive gamble on Valeant Pharmaceuticals and lost $4 billion. Panic spread among his investors. His personal life fell apart, and his 25-year marriage came to an end. His reputation was nearly destroyed. In the aftermath, few believed he could recover. Critics circled, headlines turned harsh, and the financial world questioned his judgment. Yet