Ukraine's Azov Brigade will "prove the effectiveness" of the U.S.' decision to lift a long-standing ban on providing weapons to the unit, according to the brigade's commander. "We will justify the responsibility entrusted to us, and with our discipline, resilience and bravery in battle, we will prove the effectiveness of this decision," Colonel Denys Prokopenko said in a statement posted to social media on Saturday. Earlier this week, the U.S. State Department reversed a decision made back in 2014 to stop the Ukrainian brigade receiving American weapons. The move comes as Ukraine, despite a number of successes in the Black...