Robert De Niro, 80, has released a statement heaping praise on President Joe Biden, 81, after the Democrat leader announced he would not be running for re-election. Concerns had been raised about Biden’s age and capacity to run the US for another term following a series of discombobulated public appearances, including a disastrous televised debate against Donald Trump, 78. Trump, who’ll be seeking to be re-elected himself later this year, has been unveiled as the Republican nominee alongside running mate JD Vance. While the likes of George Clooney and Michael Douglas were just two Hollywood A-…