At “the heart of the debate is a pair of questions. First, how — if at all — should Congress protect young immigrants facing the end of the Deferred Action for Childhood Arrivals (DACA) program? Second, what restrictionist policies are an appropriate ‘trade-off’ for those protections?” This week, the Senate kicks off its much-anticipated open debate on immigration. Vox: 9 questions about the Senate immigration debate you were too embarrassed to ask.

+ “President Trump promised that his administration would round up millions of immigrant gang members and drug dealers. And after he took office, arrests by Immigration and Customs Enforcement officers surged 40 percent … But as ICE officers get wider latitude to determine whom they detain, the biggest jump in arrests has been of immigrants with no criminal convictions.” We’re cracking down. But who are we cracking down on?

+ Politics has turned MS-13 into a household name. Does that embolden the group?