Jake Sullivan, his national-security advisor, confirmed that President Joe Biden will deliver a speech in Lithuania’s capital on Wednesday as a NATO Summit wraps up. Jake Sullivan, Biden’s national-security adviser, said that Biden would deliver a speech in Vilnius on Wednesday night, after the NATO summit. He will speak about the vision he has for a confident, strong America, flanked by confident, strong allies and partners, to take on the major challenges of the day, such as Russia’s aggression against Ukraine or the climate crisis.