There’s a key reason why Sen. Marco Rubio (R-FL) could be a tantalizing pick for former President Donald Trump’s running mate: GOP megadonor Ken Griffin. According to The Daily Mail, longtime Trump adviser Corey Lewandowski says that “If Sen. Rubio is the choice there are plenty of donors I’m sure will come along – including Ken Griffin, allegedly.” Griffin, a hedge fund tycoon estimated to be worth $37 billion, backed Florida Gov. Ron DeSantis over Trump in the primary, who went on to flame out with a botched campaign. He was outspoken against Trump in 2022, calling him a “three-time loser” a…