What two US Democratic senators can learn from the Lincoln Republicans on voting rights

By the standards Democratic Sens. Joe Manchin and Kyrsten Sinema have set for federal action on voting rights, the 14th and 15th amendments to the Constitution -- two pillars of the post-Civil War effort to ensure equality for all Americans -- would never have become law.

What two US Democratic senators can learn from the Lincoln Republicans on voting rights
By the standards Democratic Sens. Joe Manchin and Kyrsten Sinema have set for federal action on voting rights, the 14th and 15th amendments to the Constitution -- two pillars of the post-Civil War effort to ensure equality for all Americans -- would never have become law.