Kamala Harris introduces Minnesota Gov. Tim Walz as running mate, Tropical Storm Debby swirls over Atlantic, expected to again douse the Carolinas before moving north, and 911 operator calmly walks expectant mom through a surprise at-home delivery.

Strengthening Hurricane Debby making beeline for Florida, Kamala Harris interviews Vice President finalists, and dog rescued miles from shore and reunited with owners.

How will Donald Trump go about picking a Vice-Presidential candidate? Rick Hampson from USA Today has the latest.

Many Progressives are hoping Hillary Clinton picks Senator Elizabeth Warren as her running mate. Amie Parnes from The Hill has the story.