Abbott is aiding the spread of the virus among Texans by revoking masking rules and he doesn't give a damn. He's just catering to his moronic base. He needs to bar people who attend super-spreader events in other places from returning to Texas without first quarantining as well as enforcing masking requirements.
Biden has not changed the testing protocols put in place by the previous administration:
Biden Hasn't Reduced COVID-19 Testing at the Border - FactCheck.org
The new Homeland Security Director, Alejandro Mayorkas has said that meeting the needs of unaccompanied children is more challenging because of the ongoing public health crisis, and that adults and accompanied children are subject to COVID-19 related travel restrictions and are returned to Mexico under the statutory authority of the CDC.
Source:
DHS Directs FEMA To Help With Surge Of Migrant Children At Southern Border
Biden is a far better president than the orange whore who preceded him.