After a visit to the White House from a top North Korean official, President Trump says the Singapore summit with Kim Jong-un is back on for June 12. The U.S. rolls out more tariffs on some close allies, drawing major backlash from the country's leaders. ABC cancels the reboot of "Roseanne" after a racist tweet from lead actress Roseanne Barr. Plus -- The president makes a controversial pardon. CBS News Correspondent Steve Dorsey will have these stories and more on the CBS News Weekend Roundup.