(To receive weekly emails of conversations with the world’s top CEOs and business decisionmakers, click here.) Serial deal maker Brad Jacobs looks forward to a looming U.S. recession while he hunts for another takeover. “It’s a good time to do my next big thing,’’ the 66-year-old billionaire explains. “A downturn creates buying opportunities for acquirers with capital like me.” Jacobs has done more than 500 takeovers during his long career, typically by swallowing smaller players in fragmented markets.