► Read more at https://on.ft.com/2IhagxS<br /><br />The FT's Ben Marino visits Tucson, Arizona, and meets a whistleblower and a lawyer who are fighting to end the separation of families caught crossing the US-Mexico border illegally.<br /><br />► Subscribe to FT.com here:http://bit.ly/2GakujT<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />► Read: China cedes to US by opening car industry to foreigners https://on.ft.com/2JUX18n<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
