Ret. Lt. General Mark Hertling believes Russian President Vladimir Putin is 'a bit embarrassed' in the wake of an attack at a popular concert venue hall near Moscow that has killed dozens. #CNN #News
A Russian fighter jet forced down a US Air Force drone over the Black Sea after damaging the propeller of the American MQ-9 Reaper drone, according to a US official familiar with the incident. #CNN #News
Retired Army Lt. Gen. Mark Hertling reacts to a video that appears to show Russian forces under Ukrainian fire. CNN cannot independently verify the video. #CNN #News