'Finally, republicans have no desire to solve the southern border problems. It's their cudgel. Had they any interest, they would have tackled immigration when they control the House, the Senate and the White House. But all they wanted then was money for a useless wall that the president promised Mexico would fund.'

Which Party has been in control the past two years?
How is it the republicans fault for the Biden border crisis?
Why did border control begin its collapse two years ago?
Who stopped the building of the border wall?
Who initiated the open border policy upon becoming president?
Who signed executive orders reversing Trump's effective immigration policies?
Why did reversing the Trump policies lead to chaos and lawlessness at the southern border?
Why were El Paso streets cleaned up and camping migrants chased away before Biden's visit?
Why did it take five decades for Biden to visit the southern border?
Why are Texas ranchers calling 'Biden's obligatory border visit a little too late'?
Why did CNN finally admit Biden hasn't taken immigration seriously?

CNN: ' "Democrats are deeply disappointed in what this administration has and hasn't done," Jeff Zeleny, CNN's Chief National Affairs correspondent, said. "He's not taken this as seriously. You can hear by his rhetoric there. That of course is why he's going." 

apple.news: Biden administration's messaging on the border has been 'really bad': CNN panelist

You can blame republicans all you want for Biden's border crisis. No one believes it anymore, not even democrats.
Trump's wall and border policies may not have been perfect, but they were working.