Trump's failures roasted as Obama returns to WH, touts ACA

Former President Obama returned to the White House for the first time since leaving office to celebrate the passage of Obamacare and Biden’s new plans to strengthen it. MSNBC’s Ari Melber is joined by Obama vet Chai Komanduri to discuss the warm reunion, Obama’s comments on the failed GOP efforts to repeal Obamacare, and the upcoming midterm election.