https://ift.tt/2wwdHAe A Divided America Is a National Security Threat Coronavirus (2019-nCoV), United States International Relations, United States Defense and Military Forces Political polarization is a “force multiplier” that deepens other threats and cripples our ability to combat them. BY SUSAN E. RICE https://ift.tt/3ckInG2 September 23, 2020 at 05:47AM