“Border Patrol agents arrested 16,658 family members in September, the highest one-month total on record and an 80 percent increase from July, according to unpublished Department of Homeland Security statistics obtained by The Washington Post.” WaPo: Record number of families crossing U.S. border as Trump threatens new crackdown. (Expect this to be a much-debated issue between now and the midterms.)

+ Buzzfeed: Trump threatened to cut foreign aid to Central American countries if they don’t stop migrant caravans. (I wonder if more aid would ultimately be a better way to stop people from feeling compelled to risk everything to escape…)