Eight Republican candidates faced off in the first debate of the primary season Wednesday. Vying for the party's nomination, the candidates took on policy topics in the absence of frontrunner and former President Donald Trump. CBS News chief political analyst John Dickerson joins "CBS Mornings" with takeaways from the debate and what voters may now consider.Former U.N. Ambassador and South Carolina Governor Nikki Haley joins the show to discuss the first Republican presidential debate and how she hopes to frame her candidacy to voters moving forward.Treated radioactive wastewater from the Fukushima nuclear plant is being released into the Pacific Ocean starting Thursday. Japan is asking its G7 allies to get behind the release – part of an ongoing cleanup at the plant more than a decade after one of the worst nuclear accidents in history. CBS News' Elizabeth Palmer hears from locals concerned about the release and from representatives of the company in charge of the cleanup who say it would be safe.Grammy-nominated singer Sebastián Yatra joins "CBS Mornings" to discuss his new hit single " " and his upcoming event at the U.S. Open, Sounds of the Open.Award-winning actor Marcia Cross, best known for her roles on "Melrose Place" and "Desperate Housewives," joins CBS Mornings to discuss her new play "Pay the Writer." Cross shares why this play is fulfilling her college dream and how she related to her character Lana.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.