Richard Dreyfuss, Lorraine Gary, Carl Gottlieb, Sabrina Carpenter, David Sedaris

JAWS! – It's been 50 years since "Jaws" premiered, and Ben Mankiewicz takes us back to Martha's Vineyard in the summer of 1974. In conversation with actors Richard Dreyfuss, Lorraine Gary and screenwriter-actor Carl Gottlieb, Mankiewicz revisits the movie that put summer blockbusters on the map.

THESE UNITED STATES: HUDDLED MASSES – Mo Rocca kicks off our year-long celebration of America's semiquincentennial with a look at the Statue of Liberty and how she became a symbol for our nation of immigrants. Rocca speaks with secretary of the Smithsonian, Lonnie Bunch, and more.

KETCHUP, MUSTARD, MAYONNAISE – On a holiday weekend when Americans love to barbecue, Luke Burbank looks at our love of condiments. He takes a trip to the National Mustard Museum, explores complicated feelings about mayonnaise and shares the history of ketchup.

THE AMERICAN: MARK TWAIN –Robert Costa reports on Mark Twain's important place in our cultural history with a visit to his boyhood home in Missouri. Costa speaks with Pulitzer Prize-winning author Ron Chernow about his new book on Twain, the "father of American literature."

CUBISM! – David Pogue attends the Rubik's World Championship in Seattle, where he talks to world-record holder and 19-year-old Luke Garrett and other rising superstars.

A SUMMER SONG: SABRINA CARPENTER – Tracy Smith spends some time with rising superstar singer-songwriter Sabrina Carpenter.

OPINION – Author and humorist David Sedaris has a few tips … on tipping. Sort of …