Much of the rhetoric in the US presidential race has zeroed in on immigration. Republican candidate Donald Trump blames the Biden administration for challenges at the US-Mexico border. The Democratic nominee, Vice President Kamala Harris, meanwhile, lays that blame squarely at Trump’s feet. She promises to revive a now-defunct border security bill to fund asylum officers, increases in Border Patrol staff, and border wall construction. From Arizona, KJZZ’s Alisa Reznick brings the issue back to the reality on the ground.