After a visit to the White House by North Korean officials, a second summit between President Trump and Kim Jong-un appears to be set for late February. House Speaker Nancy Pelosi encourages the president to delay his State of the Union speech due to the ongoing partial government shutdown. In response, President Trump denies Pelosi access to military aircraft for a congressional trip to the Middle East. Plus -- Attorney General nominee William Barr takes part in two days of confirmation hearings. CBS News Correspondent Steve Dorsey will have these stories and more on the CBS News Weekend Roundup.