On the latest episode of “Madam Secretary,” CBSN’s Elaine Quijano was featured as an anchor. Take a look at her cameo. Source

President Obama will nominate Antonin Scalia’s replacement on the Supreme Court, tonight’s Grammys are music’s biggest night, and former New York Governor Eliot Spitzer is allegedly being investigated for assault. Those stories and more trending on CBSNews.com Source

It’s music’s biggest night at the 58th Grammys Awards show in Los Angeles, and there is chatter that there will be plenty of political statements made through special performances. With more on what to expect tonight, CBS News’ Anthony Mason joins CBSN from the Staples Center. You can watch the Grammys on CBS tonight at 8pm ET. Source

An investigative piece in the New Yorker magazine investigates how TMZ gets the scoop on breaking stories of celebrities. In 2006, the entertainment news website exposed Mel Gibson’s anti-Semitic comments. In 2009, TMZ broke the news of Michael Jackson’s death. The site also posted video of Baltimore Ravens’ running back Ray Rice hitting his fiancé, and another of Beyonce’s sister, Solange, attacking Jay Z in an elevator. Writer Nicholas Schmidle joins “CBS This Morning” to discuss his article, “The Digital Dirt: How TMZ Gets the Videos and Photos that Celebrities Want to Hide.” Source

Florida Senator and Republican presidential candidate Sen. Marco Rubio asserted on “Face the Nation,” that his goal is to continue to pick up delegates and do consistently well throughout this early season of voting. Rubio did tell “Face the Nation” host, John Dickerson, that the stakes are higher once he enters the winner-take-all states. Source

Republican presidential candidate and Florida Sen. Marco Rubio sits down with CBS’ “Face the Nation” to discuss his debate performance in South Carolina, the death of Supreme Court Justice Antonin Scalia, and his prospects in future primary battles. The interview aired February 14, 2016. Source

Republican presidential candidate Sen. Marco Rubio declared on “Face the Nation,” that if President Barack Obama decides to nominate a new justice to replace Justice Antonin Scalia, the Senate will not move forward. Rubio also told host John Dickerson that as president he would nominate someone that has, “a consistent and proving record of interpreting the Constitution as initially meant.” Source

Businessman and Republican presidential candidate Donald Trump attacks fellow Republican presidential candidate, Texas Sen. Ted Cruz, repeating his debate-night criticisms that Cruz “constantly lies.” Source

On this Valentine’s Day, “Sunday Morning” visits Pinnacles National Park in California, where wild male turkeys are looking for love. Source

Xs and Os are the marks of a truly heart-felt love letter. And keeping the love letter alive is the goal of a play with a uniquely qualified cast. Serena Altschul sits down with Ali MacGraw and Ryan O’Neal, the “Love Story” costars now appearing on stage in “Love Letters.” Source