Senate candidates clash during debates in three key battleground states.

Senate candidates spar in Maine, Iowa, Georgia. White House ousts Kimberly Guilfoyle as U.S. ambassador to Greece. Katie Zacharia's "brutal" first press briefing. Pope Leo diagnosed with lung cancer. NASA’s Perseverance Mars rover sets off-world driving record. Learn more about your ad choices. Visit podcastchoices.com/adchoices