[Caption:] U.S. Senator John McCain, center, speaks as Democratic Senator from the state of Connecticut, Chris Murphy, second left, and Opposition leader Oleh Tyahnybok [All Ukrainian Union "Svoboda" leader], stand around him during a Pro-European Union rally in Independence Square in Kiev, Ukraine, Sunday, Dec. 15, 2013. Sen. John McCain (R. Ariz.) advocated for sending arms to Ukraine Tuesday [link at URL] on Fox News. McCain acknowledged the arms would not likely enable Ukraine to defeat the Russians in open war, but emphasized it could improve the Ukrainian military's morale and ensure that the Russians would have "a real fight...