NATO leaders will meet next week in Lithuania nearly a year-and-a-half into Russia's invasion of Ukraine. Though Ukraine is not a member, the alliance is supporting Kyiv with billions of dollars in weapons and aid. At issue during the meeting is revamping collective defense plans and alliance expansion. White House Correspondent Laura Barrón-López, who will be traveling to the summit, reports. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok: / pbsnews Twitter: / newshour Instagram: / newshour Facebook: http://www.pbs.org/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe