'Decrepit' to 'effective': ex-U.S. adviser on Ukraine's forces

A retired U.S. military colonel who helped train and reform Ukraine's military following Russia's annexation of Crimea in 2014 told Reuters on Saturday (March 26) that Ukraine's military has gone from a 'decrepit' state, to becoming effective at fending off Russian advances in major Ukrainian cities. This report produced by Tamara Lindstrom.