The chairman of Bain Capital, the infamous venture capital firm excoriated by Democrats during the 2012 election for outsourcing American jobs, is putting big money behind a Super PAC working to elect former Vice President Joe Biden. Joshua Bekenstein, who was one of the founders of the firm alongside Mitt Romney and now serves as its chairman, donated $250,000 to Unite the Country at the start of April, according to the Super PAC’s Federal Election Commission (FEC) filings. On the same day that donation was made, Bekenstein’s wife, Anita, contributed a further $250,000, raising the couple’s total to half a...