Donald Trump has released TV ads critical of Marco Rubio in a bid to win the Florida primary next week. A home-state victory is seen as essential for Rubio to continue his bid for the White House. Major Garrett reports from Washington, D.C. Source

Maria Sharapova announced that she failed a drug test at the Australian Open in January. The future of the 28-year-old superstar will now be handled by the Women’s Tennis Association which governs women’s tennis. CBSN’s Vladimir Duthiers has the latest. Source

The CDC and FDA recommended a “pause”​ in use of the vaccine on Tuesday to review blood clot cases. Source

The White House committed to creating the new role amid pressure from Democratic Senators Tammy Duckworth of Illinois and Mazie Hirono of Hawaii. Source

Five years ago a 9.0 mag earthquake and tsunami devastated eastern Japan in 2011, and scientists say it’s a question of when, not If, it happens here in the Pacific Northwest; research shows the region is overdue for a major quake. To prepare for a devastating natural disaster, officials are drawing up evacuation plans and greenlighting seismic upgrades. Don Dahler has a report on the efforts some communities are making. Source

Donald Trump said he wanted Marco Rubio to drop out of the race so he could take on Ted Cruz one-on-one for the Republican presidential nomination following Super Saturday. Source

More than 80,000 new cases and nearly 4,000 deaths were reported in Brazil on Tuesday. Manuel Bojorquez has the details. Source

The prosecution rested its case after more than two weeks in Derek Chauvin’s murder trial. The defense called a use of force expert and a former officer as its first witnesses. Jamie Yuccas has the latest. Source

Norah O’Donnell interviews Dr. Anthony Fauci about the U.S. recommending a pause in administering the Johnson & Johnson vaccine and what it means for you. Source

Adapted from an old Portuguese design, ukeleles have been Hawaii’s signature musical instrument since the late 19th century. Their popularity spread around the world during the Jazz Age of the 1920s, but to most of us, their true home is in the middle of the Pacific Ocean — which is why you may be surprised to learn where some of the world’s best ukuleles are made. Jonathan Vigliotti reports. Source