Are people starting sentences with "so" more frequently than ever or are we just noticing it more? Leigh Wells/Ikon Images/Getty Images hide caption

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The casket of Ethel Lance is carried to a hearse following her funeral service on June 25. Lance was one of nine people killed in the shooting at Emanuel AME Church in Charleston. David Goldman/AP hide caption

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Kicker Chandler Catanzaro of the Arizona Cardinals kicks an extra point against the Kansas City Chiefs during a pre-season NFL game at the University of Phoenix Stadium on Aug. 15 in Glendale, Ariz. Christian Petersen/Getty Images hide caption

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People attend a candlelight vigil in front of the WDBJ-TV station in Roanoke, Va. a day after reporter Alison Parker and cameraman Adam Ward from the station were killed during a live broadcast. Don Petersen/AP hide caption

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Serena Williams en route to winning the Western & Southern Open in Cincinnati on Sunday. Tannen Maury/EPA/Landov hide caption

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Medical volunteers walk past tents set up on the playground of a primary school as temporary shelters for victims after explosions in Tianjin, China, on Aug. 13. Reuters/Landov hide caption

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Former President Jimmy Carter discusses his cancer diagnosis during a press conference at the Carter Center on Thursday in Atlanta, Georgia. Jessica McGowan/Getty Images hide caption

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A migrant arrives with his son on the shore near the village of Skala Sikaminea, on the southeastern Greek island of Lesbos, Greece on Friday. Greece this year has been overwhelmed by record numbers of migrants arriving on its eastern Aegean islands, with more than 160,000 landing so far. [Caption from AP, lightly edited.] Visar Kryeziu/AP hide caption

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William F. Buckley (left) and Gore Vidal square off on Nov. 5, 1968. ABC Photo Archives/ABC via Getty Images hide caption

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