This week, both President Biden and former president Trump will head to the US-Mexico border, underscoring just how central immigration policy has become to this year’s election. CNN’s Priscilla Alvarez covered immigration during the Trump administration and now covers the Biden White House. She and Audie talk about Biden and Trump at the border this week, and how Texas Governor Greg Abbott has successfully elevated the border issue by bussing over 100,000 undocumented migrants to northern cities as part of his “Operation Lone Star.”Read more from Priscilla and National Political Reporter Eric Bradner: Gov. Greg Abbott’s border tactics force Democrats to confront migrant crisis in their own backyardsLearn more about your ad choices. Visit podcastchoices.com/adchoices