Black senators walked out of the Mississippi Senate chamber on Friday and withheld their votes as lawmakers passed a bill that would ban critical race theory , NPR reports .  "This bill is not morally right," Democratic Sen. Barbara Blackmon said as Republicans continued the nationwide effort to prohibit lessons which examine how racism has shaped the country.  Senate Bill 2113, which will now move to the House, passed with a 32-2 vote. The only votes against the bill came from white Democrats.  Although the title of the measure mentions critical race theory, the bill doesn't clarify the phrase. According to the bill, schools, community colleges and universities are not allowed to teach that any "sex, race, ethnicity, religion or national origin is inherently superior or inferior." Republican Sen. Michael McLendon, chief sponsor of Senate Bill 2113, failed to give a clear response when he was asked to define critical race theory.  "Systematic racism should not be taught to our...