Today on “Post Reports,” we head to Lithuania, host of a pivotal NATO summit this week. Plenty is at stake, including the possible expansion of NATO and the biggest question of all: how to support Ukraine while keeping it outside of the alliance.

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Post Reports is the daily podcast from The Washington Post. Unparalleled reporting. Expert insight. Clear analysis. Everything you’ve come to expect from the newsroom of The Post, for your ears. Martine Powers and Elahe Izadi are your hosts, asking the questions you didn’t know you wanted answered. Published weekdays around 5 p.m. Eastern time.