Retired Border Patrol Chief Chris Clem says America “has a border security problem” as pressure mounts on President Biden to tackle the issue ahead of the November election. The Biden administration has faced an unprecedented spike in migrant crossings during his tenure, with record numbers making their way across the US-Mexico border. The southern border crisis is the most likely issue to play a key role in determining who will be the next US President, as a rematch between Biden and Donald Trump looms closer. Trump has been extremely vocal on the issue and has committed to a radical plan to …