Former president Donald Trump’s lifestyle would be turned on its head if Judge Juan Merchan handed down a sentence that includes incarceration, according to one prison expert. The Daily Beast recently interviewed Sam Mangel, who was sentenced to 60 months behind bars for financial crimes in 2020 and now works as a prison consultant. He told the outlet that even if Trump were to get special considerations in prison as a senior citizen and a former president, daily life behind bars would still be extremely unpleasant for him. “When you’re in prison, I don’t care who you are, you’re a number,” Ma…