Evans, an 18-year veteran of the Capitol Police force, died April 2 after a man rammed his vehicle into officers stationed at a barricade outside the Capitol. Source

Former pharmaceutical company Martin Shkreli refused to testify Thursday when called before a Congressional committee investigating high drug prices. NewYorker.com editor Nick Thompson joined CBSN to discuss the controversy. Source

Donald Trump and Ted Cruz continue to criticize each other as the Republican candidates prepare for the nation’s first primary in New Hampshire. CBS News Chief White House Correspondent Major Garrett has analysis for CBSN. Source

Hillary Clinton and Bernie Sanders argue over progressivism, “Pharma Bro” Martin Shkreli appears before Congress but refuses to testify and more are among today’s CBSNews.com trending stories. Source

A close friend of O.J. Simpson has criticized Cuba Gooding Jr.’s portrayal of the former sports star. CBSN’s Vladimir Duthiers and Kristine Johnson have more. Source

The Denver Broncos and Carolina Panthers will go head to head in Super Bowl 50. What can you look forward to? CBS Sports senior NFL writer Will Brinson joins CBSN with more details. Source

The shapewear company Spanx was formed in 2000 by then-29-year-old Sara Blakely. While selling fax machines as her day job, she used scissors and a pair of pantyhose to create an undergarment that made her pants look more flattering. More than 15 years later, Spanx sells its products in more than 50 countries. Blakely joins “CBS This Morning” to discuss how her brand is expanding with an eye toward comfort. Source

“The Late Show” host, writer and executive producer Stephen Colbert is preparing for a special live edition of his show after Super Bowl 50. He hosted his Emmy-winning show, “The Colbert Report,” for nearly a decade. Before that, he was a correspondent on “The Daily Show.” Colbert joins “CBS This Morning” to discuss his journey to late night TV and Donald Trump’s “$10 billion mouth.” Source

The sexual assault case against Bill Cosby will go back to court next month. A Pennsylvania judge refused to dismiss the criminal case after a two-day hearing. Cosby’s lawyers claimed there was a longstanding deal not to prosecute. Cosby is accused of assaulting a Temple University employee 12 years ago. Jericka Duncan reports from the courthouse in Norristown, Pennsylvania. Source

For inventor Joy Mangano, it all began with an idea for a mop. More than 25 years later, the Miracle Mop is part of a multi-billion dollar empire. Joy Mangano joins “CBS This Morning” to discuss how her story led to the Oscar-nominated movie, “Joy,” starring Jennifer Lawrence. Source