In a new book, retired British Royal Navy commander and amateur historian Gavin Menzies asserts that the Chinese discovered America 70 years before Columbus. Diane talks with him about his research and the controversy surrounding the publication of his book.
The Biden administration has released a proposal to raise standards in nursing homes. Why one expert calls it the most significant development for the industry in decades -- and why it might still not be enough.
Legal analyst Kimberly Wehle on the 14th Amendment and whether it can be used to keep Donald Trump off the ballot.
Diva Denyce Graves talks about her storied career and her new push to make opera more diverse -- and more relevant.
Another school year has begun. Diane talks to AP education reporter Bianca Vazquez Toness about the lingering effects of the pandemic on schools, students and learning.