But Biden was not president a year ago, and:
Alan Bersin, Nate Bruggeman, Ben Rohrbaugh,
Yes, There’s a Crisis on the Border. And It’s Trump’s Fault. Politico, April 5, 2019
https://www.politico.com/magazine/story/2019/04/05/border-crisis-donald-trump-226573/
Trump is the incompetence. Trump's first presidency created the problems Biden faced. There was no open border and Trump made certain to pressure Republicans to sabotage a border bill then used the border to blame democrat for anr you fell for it.
Manu Raju, Melanie Zanona, Lauren Fox and Ted Barrett,
GOP senators seethe as Trump blows up delicate immigration compromise, CNN, January 25, 2024,
https://www.cnn.com/2024/01/25/politics/gop-senators-angry-trump-immigration-deal