In Focus delivers deeper coverage of the political, cultural, and ideological issues shaping America. Published daily by senior writers and experts, these in-depth pieces go beyond the headlines to give readers the full picture. You can find our full list of In Focus pieces here.

MCALLEN, Texas — The Trump administration has moved expeditiously in its second term to put up not only a border wall along the U.S.-Mexico border, but also to build out a comprehensive security system, which Americans know little about.