John Lanik discovered the largest diamond found in the state park this year Source

Injuries sustained by swimmers in Jacksonville and New Smyrna Beach and increased shark sightings in Massachusetts are creating new concerns about safety Source

Reactions have been pouring in after President Trump said Rep. Elijah Cummings ruled over a “dangerous” and “filthy” Baltimore district. The Baltimore Sun took to its editorial page to defend the city. Jeff Pegues reports. Source

Bill Whitaker reports from the Cleveland PD on the hot-button issue of policing in America; Lesley Stahl reports on depleting groundwater; and a hilarious and revealing interview with TV and comedy star Larry David. Source

Charlie LeDuff, author of “Detroit: An American Autopsy,” joins CBSN’s “Red & Blue” to discuss when Democratic candidates have to do to win over voters in Michigan, a state that narrowly went for Donald Trump in 2016. Source

Two American teenagers are accused of murdering an Italian officer in Rome. A funeral service was held for Mario Cerciello Rega near Naples on Monday. Seth Doane reports. Source

A feud between President Trump and one of the most prominent African-Americans in Congress, Rep. Elijah Cummings, comes just two weeks after the president attacked four congresswomen of color. Mr. Trump targeted Cummings and Baltimore on Twitter. Nancy Cordes reports. Source

The Washington Post reports some Democratic lawmakers privately expressed concern about rumors that Robert Mueller’s mental sharpness wasn’t what it once was, and questioned whether they were right to force him to testify. Matt Zapotosky reported that story and joins CBSN’s “Red & Blue” to explain what he found. Source

A shooting at a California festival left three dead, including a 6-year-old boy who had just graduated from kindergarten. The other victims were ages 13 and 25. Janet Shamlian reports. Source

President Trump is nominating Rep. John Ratcliffe to replace Dan Coats as director of national intelligence. Ratcliffe is a conservative member of Congress who questioned Robert Mueller during last week’s hearing. Paula Reid has more. Source