In this Call with the Experts podcast, Jeffrey Hiday, director of Media Relations at RAND, is joined by RAND experts Ruth Harris, director of RAND Europe's Defence and Security Group, Dara Massicot, senior policy researcher, David Ochmanek, senior international/defense researcher, Barry Pavel, vice president of RAND’s National Security Research Division, and John Tefft, adjunct senior fellow. In this call, they discuss the Western alliance providing aid to Ukraine, the expansion of NATO, the latest weapons systems and their capabilities, likely areas of upcoming fighting, prospects for an end to the war, and broader implications for global trade, diplomacy, and China-Taiwan tensions.