In a new piece for The New York Times, Dave Philipps takes a closer look at a problem the military has struggled with for more than a decade: Accurately diagnosing brain injuries in the field. Philipps joined CBSN to discuss his work. Source

President Trump headlined the most expensive fundraiser of his reelection bid Saturday in Florida. CBSN’s Elaine Quijano speaks with Washington Post reporter Michelle Ye Hee Lee about her reporting of the event that was expected to raise $10 million. Source

Since December, 900,000 civilians have been forced to flee Syrian and Russian bombs in the northwest. Most are women and children. Source

Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

The top U.N. official is calling the humanitarian catastrophe unfolding in Syria “cruel beyond belief.” Since December, 900,000 civilians have been forced to flee Syrian and Russian bombs. Holly Williams reports. Source

NASCAR driver Ryan Newman is alert and able to speak with doctors and family members following a terrifying crash at Daytona 500. Newman’s life was likely saved by safety innovations that followed one of racing’s darkest days: the crash of Dale Earnhardt Sr. Manuel Bojorquez reports. Source

World Health Organization hesitant to declare disease in decline as experts warn there could be thousands of mild cases lurking around the globe. Source

Flood watches and warnings are posted across the South and Central U.S. Millions are under states of emergency in Mississippi and Alabama. Omar Villafranca reports. Source

Riley is now in remission, but she’s still receiving biweekly chemo treatments. Source

Former New York City Mayor Michael Bloomberg has qualified for the Democratic debate in Nevada. The latest polls show him rising to second place nationally behind Bernie Sanders, making Bloomberg a breakout star. Nicole Killion reports. Source