To counter Russia, European armies must be more mobile

Germany and other European countries are concerned about the threat posed by a resurgent Russia. So many of them are boosting defense spending and the size of their armies. One of the main concerns is making armies more mobile and better able to work together within NATO. Germany's foreign minister has said that Russia is at least creating the option of a war against NATO by 2029". DW's Brussels-based security correspondent, Teri Schultz, reports on Europe's ongoing efforts to strengthen its forces to defend the frontline