The world's most formidable military alliance began a three-day meeting in Washington DC, ostensibly to strengthen the partnership on its 75th anniversary and pledge greater support to Ukraine in its war with Russia. This summit aims to project "unity" and "shared interests" outwardly, but internally, are there increasing anxieties and worries among member countries? Edward P Joseph from John Hopkins University joins Parmeshwar Bawa to discuss all this and more.