Plot: Headlines for July 28, 2016; President Obama Implores Nation to Vote for Hillary Clinton: 'Carry Her the Same Way You Carried Me'; 'No More War': Protesters Disrupt Ex-CIA Director Leon Panetta's DNC Speech; Michael Eric Dyson vs. Eddie Glaude on Race, Hillary Clinton and the Legacy of Obama's Presidency; Bill O'Reilly Claims Enslaved Africans Who Built White House Were 'Well Fed'; Dyson & Glaude Respond; As All Charges Dropped in Freddie Gray's Death: Baltimore Mayor Says Reform Doesn't Hang on Verdicts; After Debbie Wasserman Schultz's Ouster, We Speak with Her DNC Replacement Mayor Rawlings-Blake; Will Hillary Clinton Flip-Flop Again on TPP After Election Day We Ask Her Adviser Joseph Stiglitz