WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.Immigration and the midterms. 5,200 troops head to the border. President Trump threatens to void the birthright citizenship law. Is it a winning strategy for the GOP? Stef Kight, Akhil Amar, Alan Gomez and Julián Aguilar join Meghna Chakrabarti.