Democratic vice presidential nominee Sen. Tim Kaine, D-Va., and Democratic presidential nominee Hillary Clinton walk through the falling balloons during the final day of the Democratic National Convention in Philadelphia , Thursday, July 28, 2016. (AP Photo/J. Scott Applewhite)

Clinton promises steady hand in dangerous world

Inside the story: Photos

Hillary Clinton is set to face the nation with the goal of introducing the woman that speaker after speaker, including a pair of presidents,…