Donald Trump has been backed to win this year’s presidential election and “will be elected” on immigration as Democrats face the “consequences” of Joe Biden’s border policy, a top security expert has claimed. Speaking to GB News, Erik Prince – founder of private military company Blackwater and cyber-security firm Unplugged, and brother to Trump’s Education Secretary Betsy DeVos – lamented the current state of illegal immigration in the US. Prince said the border was “secure” when Trump left office, but the then-incoming Secretary of Homeland Security Alejandro Mayorkas “proudly announced all t…