Breyer Supreme Court retirement puts attention on Biden campaign promise

The Rachel Maddow Show - A podcast by Rachel Maddow, MSNBC

Tonight's guests are Symone Sanders, former Biden campaign advisor and new MSNBC host; Nina Totenberg, legal affairs correspondent for NPR; Senator Amy Klobuchar, member of the Senate Judiciary Committee; and Dahlia Lithwick, senior editor and legal correspondent for Slate.