Perhaps more than any other time in our recent hist.Perhaps more than any other time in our recent history,we need a new kind of politics,one that can excavate and build upon those shared understandings that pull us together as Americans最后一句同位语从句：one that can excavate and build upon those shared understandings that pull us together as Americans

Perhaps more than any other time in our recent hist.
Perhaps more than any other time in our recent history,we need a new kind of politics,one that can excavate and build upon those shared understandings that pull us together as Americans
最后一句同位语从句：one that can excavate and build upon those shared understandings that pull us together as Americans