unstable conditions. while republicans, who have urged biden to take executive action, slammed him today for doing just that. >> why didn't you do this in 2021? why didn't you do this in 2022? >> if he was concerned about the border he would have done a semitime ago. >> reporter: the restrictions are short a face legal challenges. the aclu telling cbs news today, "we intend to sue. a ban on asylum is illegal, just as it was when trump unsuccessfully tried it." biden insisted his approach is more humane than trump's. >> i'll never separate children from their families at the border. i will not ban people from this country because of their religious beliefs. >> reporter: my colleague, lilia luciano, is at the border near tucson, arizona, one of the busiest sectors for migrant crossings this year. >> reporter: we have just crossed into to be 21, mexico, to hear about what this executive order means for folks on this side of the border. >> i think it is devastating.