Iconic rocker Sir Rod Stewart has waded into the world of US politics by sharing his rather honest thoughts on Joe Biden and Donald Trump. Biden, 81, and Trump, 77 will likely go head to head in this year’s US Presidential Election later this year on Tuesday, November 5. Stewart has spent much of his life in the spotlight living in the States, soaking up the luxurious Californian sunshine at his home in LA while performing countless shows in Las Vegas. However, last year, Stewart ditched Hollywood due to its “toxic” culture and returned to the UK where he lives in his Essex mansion with wife P…