Russia April 4, 2023 10:00 am Finland Officially Joins NATO Finland officially joined NATO on Tuesday in a move that began after Russia’s invasion of Ukraine. US & World Videos 2:24 The internet's pressing questions about Social Security, answered 1:33 Vance does not recognize Trump's defeat in 2020 2:38 Vance and Walz present different versions of Jan. 6 2:08 Walz defends the importance of gun control 2:08 Vance and Walz clash on abortion