Former UN Ambassador Susan Rice opened up about her right-leaning son in an interview Wednesday, saying blood is thicker than politics. “I have a 23-year-old son whom I love dearly, whose politics are very, very different from my own and from the rest of our family,” the former Obama administration cabinet member told NPR. “My son and I will have some robust disagreements over some matters of policy, not all. And yet, at the end of the day, you know, I love him dearly, and he loves me.” Rice, who served as ambassador to the United Nations from 2009 to...