Families mourn Jacksonville shooting victims

Families are mourning Jacksonville shooting victims, as authorities investigate the attack as a hate crime. Tropical Storm Idalia forms and may hit Florida as a hurricane this week. USA TODAY Health Reporter Karen Weintraub talks about how mRNA technology can be used to fight cancer. Medicare's priciest drugs may get cheaper as feds begin negotiations. USA TODAY National Correspondent Marc Ramirez looks back at the integration of a Baltimore amusement park, on the 60th anniversary. Episode Transcript available here Also available at art19.com/shows/5-Things See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.