Today in Denver

Theme: "Securing America's Future."
Headline prime-time speaker: Democratic vice presidential nominee Joe Biden.
Other highlights: Former president Bill Clinton, Senator John F. Kerry of Massachusetts, Senator Jack Reed of Rhode Island, and a tribute to active-duty military personnel and their families.
On the air: 10 to 11 p.m. EDT on ABC, CBS, NBC; extended coverage on PBS and cable networks.
On the scene: Prominent Massachusetts delegates give their take on the convention at boston.com/massvoices