In yet another swing of the European political pendulum, Italian Prime Minister Matteo Renzi resigned on Monday after a crushing defeat in the country's referendum on Sunday. Renzi, who previously promised to step down if he lost the vote for his constitutional reforms package, was defeated by populist group Five Star Movement, led by former stand-up comedian and blogger Beppe Grillo, a Donald Trump supporter who is determined to not only shake up the status quo, but lead…