Newsworks Tonight broadcasts live from the Democratic National Convention. Katie Colaneri reports on the latest DNC developments. Joe Hernandez talks with blind delegates who question how accessible the DNC has really been. Tom MacDonald and Congressman Bob Brady discuss what Democrats need to do to secure Pennsylvania as a blue state. Dave Heller speaks with Aisha Moodie-Mills, CEO of the Victory Fund, an LGBT political action group. Marielle Segarra examines the influence First Ladies have had on the presidency.