The former officer, Kim Potter, was charged with second-degree manslaughter in the death of Daunte Wright. Source

GOP front-runner Donald Trump won big during Tuesday’s primary. John Kasich also secured his first victory, in his homestate of Ohio but the billionaire holds a commanding lead in the delegate race. Is it too late for the Republican establishment to stop Trump? CBSN political contributor Leslie Sanchez, USA Today senior political reporter Heidi Przbyla, and republican strategist Hogan Gidley join CBSN to discuss. Source

GOP presidential candidate Ted Cruz has chimed in on President Obama’s Supreme Court nominee, Judge Merrick Garland, who he says is the “exact type of nominee you get when you make deals in Washington D.C.” CBSN’s Kristine Johnson and Vladimir Duthiers have more. Source

President Obama has nominated Judge Merrick Garland as the nominee to replace the late Justice Antonin Scalia. What do we know about Judge Garland? CBS News chief legal correspondent Jan Crawford, CBSN political contributor Leslie Sanchez, Democratic Strategist Lynda Tran, and senior fellow at the Cato Institute Ilya Shapiro join CBSN with more details on the president’s pick. Source

Special Report: President Obama announces Merrick Garland as Supreme Court nominee President Obama introduced Merrick Garland as his nominee to the Supreme Court at the White House Wednesday. Garland currently serves as the chief judge for the U.S Court of Appeals in Washington, D.C. Obama hailed Garland as a “thoughtful, fair-minded” judge. Charlie Rose, Norah O’Donnell and Gayle King anchor this CBS News Special Report, with Margaret Brennan and Jan Crawford reporting from Washington. Source

If you find yourself sparring with your teen, psychologist Lisa Damour says don’t panic. That’s because fighting can be an important part of your child’s development. On NewYorkTimes.com, Damour, author of “Untangled: Guiding Teenage Girls Through the Seven Transitions Into Adulthood,” writes that how conflict is handled at home can impact a teen’s mental health and the quality of their relationships. She joins “CBS This Morning” to give practical tips for resolving conflicts with teens. Source

Doctors have new, first-ever guidelines for prescribing powerful opioid painkillers. The Centers for Disease Control and Prevention wants doctors to back off giving the highly-addictive drugs to patients with chronic pain. The director said over-prescribing these medications is a “key driver” of the country’s drug overdose epidemic. Dr. Tara Narula joins “CBS This Morning” to discuss the guidelines. Source

The CDC released new guidelines Tuesday for prescribing opioids for pain. The move comes as officials try to curtail a heroin epidemic that’s been spurred by painkiller addictions. Dr. Jon LaPook reports. Source

Comedic legends Eugene Levy and Catherine O’Hara met in Toronto at The Second City comedy troupe in the 1970s. The duo has shared the screen in seven movies, including Christopher Guest’s mockumentaries, “Waiting for Guffman,” “A Mighty Wind” and “For Your Consideration.” They now star in a TV series about a family that goes from riches to rags, forced to move to a town called Schitt’s Creek. Levy and O’Hara join “CBS This Morning” to discuss the sitcom. Source

On March 15th, 1965, President Lyndon B. Johnson spoke before Congress, calling for legislation to protect the voting rights of all Americans. Watch CBS News coverage from that day. Source