Video: Watch Mars Ingenuity Helicopter's First Flight

21 years since Bush's misguided "mission accomplished" speech after the invasion of Iraq, a warning from history about the "day after" in Gaza.

Despite Biden and Trump now saying they will debate, neither party has contacted the Commission on Presidential Debates, says co-chair Frank Fahrenkopf, and likely won't until after their Conventions. After September 6, the last day any state determines who qualifies for the ballot, "we'll then know who meets the requirement of being on enough ballots to conceivably get 270 electoral votes."

Americans' mental health issues are not identified and treated as readily as physical symptoms, especially among children - in part due to a shortage of clinicians. "We're looking for ways to integrate mental health into settings where children and families are every day," says Dr. Tami Benton, President of The American Academy of Child and Adolescent Psychiatry.

"The big issue in '68, it turned out, was not Vietnam - it was law and order," says historian James Traub. And for Biden, "The electoral danger is [protesters] offending the much larger group of voters to Biden's right." And his "narrow path" is to "take action in regard to Israel that will show that he shares some of their concernsin a way that does not identify him with the demonstrators."

Without cameras on Hope Hicks' testimony, media outlets were left with only a transcript to analyze why she broke down in tears. "It's a mistake to say Hope Hicks cried because she knew she just ended Donald Trump's career," says Elie Honig, "or she cried because she had just collapsed on cross-examine.

Why did SD Governor Kristi Noem decide to publish her story about killing her allegedly 'untrainable' dog? Her state's Senate Minority Leader offers three theories: Inoculation from others telling it; lifting her national profile - and distraction from her governing record.