Plans for a possible mass shooting have been foiled thanks to an alert gun shop owner in Ohio. Twenty-five-year-old James Howard tried to buy a rifle last week, but the store owner refused to sell it to him. Howard faces multiple charges. Adriana Diaz reports from the city of Logan, where she spoke to the man many call a hero. Source

Bill Whitaker reports on how discrimination has resulted in Black Americans being prone to more serious diseases. See the report, Sunday on 60 Mintues. Source

A 4.2-magnitude earthquake rattked nerves in Crescent, Oklahoma Tuesday. There are no reports of damage. The quake hit just hours after the release of a disturbing new government report that shows seismic activity in parts of the country’s midsection are now as dangerous as in California and Alaska. For the first time, government scientists are including man-made quakes on its earthquake hazard map. CBS News science and futurist contributor Michio Kaku — also a physics professor at the City University of New York — joins “CBS This Morning” to explain the cause and dangers of the growing threat and preventive measures. Source

The White House is urging Europe to do more to protect itself from terrorists following last week’s attacks in Brussels. The New York Times reports Tuesday that signs of planned terror attacks in Europe were evident as far back as 2014, yet local authorities discounted each successive plot. Allen Pizzey reports from Brussels on the flaws that are hindering the newest investigation. Source

The FBI says it has unlocked the San Bernardino gunman’s iPhone without help from Apple. The government Monday ended its high-stakes legal fight with the tech giant. FBI experts were able to access the data with help from a third party. Apple says the case should not have been brought. Jan Crawford reports from Washington with why the privacy versus security fight is not over. Source

Country music artist Mickey Guyton earned her first Grammy nomination in November for the song “Black Like Me” and became the first Black female solo artist to be nominated for a Grammy in a country category. The vocal powerhouse will make history again on Sunday as co-host of the Academy of Country Music Awards, alongside fellow country star Keith Urban. She sat with “CBS This Morning” co-host Gayle King to reflect on her trailblazing journey. Source

For the first time in the 93-year history of the Academy Awards, an all-Black producing team has been nominated for Best Picture for the film “Judas and the Black Messiah”. The team includes former top talent agent Charles D. King, who spoke to Michelle Miller about his effort to transform Hollywood Source

Visitors to the stadium for any future event, including Nashville SC and Tennessee Titans games, concerts or other event can expect purchases to be cashless, including tickets, merchandise, concessions and all other purchase points in the facility. Source

Robert DeNiro and the Tribeca Film Festival pulled a controversial documentary from its upcoming lineup. It is called “Vaxxed: From Cover Up to Catastrophe.” The filmmakers make the case for a link between vaccines and autism. Jericka Duncan shows why many say the documentary is based on flawed research. Source

An investigation determined that the officer could reasonably believe it was necessary to shoot Babbitt out of self defense or in defense of those evacuating the House Chamber. Source