After months of scandals and ire from both sides of the aisle, Scott Pruitt resigns as administrator of the Environmental Protection Agency. President Trump announces he will make a final decision on his nominee to replace retired Supreme Court Justice Anthony Kennedy this Monday. Plus -- a preview of the Trump-Putin summit in Helsinki with Finland's Ambassador to the U.S. Kirsti Kauppi. CBS News Correspondent Steve Dorsey will have these stories and more on the CBS News Weekend Roundup.