Is it time to open the door to better relations with Iran?

Aired: 1/28/2015 | 0:08:50 | Clip
Historian Robert Kaplan says that geo-political necessities have given longtime enemies, the United States and Iran, some pressing common interests. Is it time to open the door to a working relationship? As part of a collaboration between The Atlantic and the PBS NewsHour, Judy Woodruff interviews Kaplan and others about the complexities of warming relations.