ISIS’ widespread use of often new Toyota trucks has prompted a U.S. investigation into how the terror group obtains vehicles. Counter Extremism Project CEO Mark Wallace joins CBSN to discuss. Source

Despite the reduction of his massive primary leads, Donald Trump has a plan to stay on top in the 2016 presidential race. The Hill Reporter Kevin Cirilli joins CBSN with analysis. Source

South Carolina recovering from floods, NTSB investigating sunken cargo ship, Ben Carson defends gun comments and more are among today’s CBSNews.com Trending Stories. Source

The rains have dissipated, but South Carolina residents are still affected by the flood damage. CBS News’ David Begnaud joins CBSN with the latest. Source

The prevalence of Toyota trucks in ISIS propaganda videos raises questions about where the group gets its vehicles. CBS News senior national security analyst Juan Zarate joins CBSN to discuss. Source

Maddie Marlow and Tae Dye’s “Girl in a Country Song” sent them to the top of the charts with their commentary on female stereotypes. Rolling Stone named them one of the “10 New Artists You Need to Know.” The two rising stars are out with their highly-anticipated debut album, “Start Here.” Their songs tackle things like friendships, relationships and not giving up. Maddie and Tae join “CBS This Morning” to discuss their new album. Source

After coming across a student ID card on a stroll through Central Park, award-winning actor Tom Hanks took to social media to find its owner. CBSN’s Contessa Brewer has more on the search for Lauren Source

When Flint, Michigan, disconnected their water supply from Detroit and started drawing from the Flint River, they were thinking of $15 million in savings. But they may have gotten more than they bargained for, reports Dean Reynolds. Source

Actress Ali Stroker is making a special debut in a revival of “Spring Awakening” on Broadway. Michelle Miller has the story of a young woman turning challenge into triumph. Source

12-year-old Katelyn Thornley has been sneezing almost non-stop — about 12,000 times a day — for the past month, and doctors have no idea why. Source