Team USA wins medals in track, sailing and swimming; Joy and gratitude as Americans freed by Russia arrive home; Acting Secret Service head says warning about would-be Trump assassin never reached agents; and more on tonight’s broadcast.

00:00 Introduction
01:32 Team USA heroes and heartbreak
05:08 Freed Americans back on U.S. soil
08:16 Harris clinches Democratic nomination
09:57 Acting chief: Secret Service missed warning
12:09 Police hiring under scrutiny
14:20 Team USA track and field stars to watch

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