Two years after Russia’s invasion of Ukraine, we talk about the state of the war, and the role foreign aid – or lack thereof – could play in Ukraine’s ability to keep holding off Russia.Read more:A little over two years ago, Russia launched a full-scale invasion into neighboring Ukraine. At first, many thought it would be a brief and brutal defeat, but two years later Ukraine is still hanging on after a series of wins that exceeded expectations. Now, low on ammunition and troops, Ukraine is facing a pivotal moment, as Russia amps up weapon manufacturing. Today, national security reporter Missy Ryan explains why military aid to Ukraine matters so much, and what’s at stake if Russia wins.Today’s show was produced by Ariel Plotnick, with help from Sabby Robinson. It was mixed by Sean Carter. It was edited by Maggie Penman. Thank you to Ben Pauker. Subscribe to The Washington Post here.