Russia is "capitalizing" on the battlefield in Ukraine as U.S. military aid remains held up in Congress, according to the Institute for the Study of War (ISW).Ukraine has heavily relied on weapons and ammunition supplied by the U.S. and other allies while fighting off invading Russian forces for more than two years. Despite some significant Ukrainian successes during the war, Russia has scored a series of victories in recent months that have put Kyiv on the back foot.Some of Ukraine's European... Read this story