Good evening. This is your daily roundup of stories recommended just for you, based on your interests and reading history. | | | | A nurse prepares a measles, mumps and rubella vaccine in Easley, South Carolina, on March 17. (Mary Conlon/AP Photo/Mary Conlon) | | | | Opinion Letters to the Editor | | | | Analysis Alec Dent and Dan Merica | | | Opinion Ian Ayres and Fredrick Vars | | | How was today's newsletter? | | | | | | | | | |