Sen. Kelly McCarthy : Moscow 's response presents a challenge for NATO leadership . Continued weakness in the face of Putin 's invasion risks leaving him with the dangerous impression that he can send his `` little green men '' to NATO member nations on Russia 's periphery . She believes starkly worded statements have n't deterred Russia 's President Putin . NATO needs to ramp up economic sanctions , provide military aid to Ukraine . Russia : failure to act would invite more aggression .
Sen. Kelly McCarthy : Moscow 's response presents a challenge for NATO leadership . She believes starkly worded statements have n't deterred Russia 's President Putin . NATO needs to ramp up economic sanctions , provide military aid to Ukraine . Russia : failure to act would invite more aggression .