Vice President Kamala Harris takes the lead on two controversial political topics, so what will that mean for her political ambitions? Then, doulas are common companions during childbirth, and now they’re becoming more common for the dying, too. And, who's responsibility is it to clean up space junk in Earth's orbit? Also on today’s show: the story of human's obsession with aliens; eating disorders can modify brain circuits; why universities often come up short in making space for students with disabilities in science and technology programs. (AP Photo/Evan Vucci)