NPR's Tamara Keith and Amy Walter of the Cook Political Report with Amy Walter join Amna Nawaz to discuss the latest political news, including President Trump's popularity going into the midterms as some Republicans start to distance themselves, the Michigan Senate race and Democrats still debating their November message.

NASA launched its newest space telescope, undertaking its biggest mission yet to study the universe on a much larger scale. A roughly $4 billion project, the Nancy Grace Roman Space Telescope will allow scientists to get panoramic views of space and better understand the nature of powerful forces known as dark energy and dark matter. Miles O'Brien joined Amna Nawaz to discuss more.

For perspective on the latest developments in the war with Iran, Amna Nawaz spoke with retired U.S. Navy Rear Adm. Mark Montgomery and Michelle Wiese Bockmann, an analyst at Windward, a London-based maritime intelligence company.