Keeping Guessing News Today

Russia is celebrting the first anniversary of the annex annexation of crimea. tens of thousands are expected to gather in moscows red square to celebrate later today. >> that has been flexing its military muscle ahead of the anniversary. pentagon correspondent barbara starr has that part of the story. >> reporter: raising tensions, vladimir putin is keeping guessing. natos deputy military commander warning moscow to tread carefully. >> russia might believe that the large scale conventional force...