cha chas chastain. carley: i m carley shimkus. ashley: i m ashley strohmier in for towdd piro towed. ron desantis gearing up to announce his plan after releasing fiery campaign ad. brooke singman has the latest. brooke: desantis is hosting a town hall this morning. desantis took a tour of the southern border and called out period biden in interview with bill melugin. listen to this. . what he s doing is unconstitutional, we sued him in florida on catch and release. we will deputize state and local officials to enforce immigration laws. brooke: desantis taking a boat and helicopter through eagle pass. just minutes into the journey, they were met by migrants. desantis made border security top priority in early weeks of hel his campaign. desantis signed legislation requiring companies with more than 25 employees to use e-verify to confirm new employees are not in the u.s. illegally. he is upon hadding the state manage a surge in ll legal migrants. desantis releasing