Question: Rogers Clark Ballard Morton (September 19, 1914 - April 19, 1979) was an American politician who served as the U.S. Secretary of the Interior and Secretary of Commerce during the administrations of Presidents Richard M. Nixon and Gerald R. Ford, Jr., respectively. He also served as a member of the U.S. House of Representatives from Maryland. Though he was born in Louisville, Kentucky, Morton moved to a farm on the Eastern Shore of Maryland in the early 1950s. In 1962, he was elected to the House of Representatives, in which capacity he established an environmental record.

In 1947, Morton spent a great deal of time helping his brother Thruston in his ultimately successful campaign for election to the House of Representatives in Kentucky. After this initial exposure to politics, Morton moved to the Eastern Shore of Maryland in the early 1950s, where he set up a 1,400 acres (5.7 km2) cattle farm along the Wye River in Talbot County. In 1962, Morton decided to challenge Democratic incumbent Thomas Francis Johnson of Maryland's 1st congressional district. Johnson, who was reeling from a political scandal, lost to Morton in the general election. Morton was lauded for not making Johnson's legal troubles his primary campaign issue. Morton was re-elected to Congress four more times, and served from 1963 until 1971. In Congress, Morton worked to enact legislation that would preserve the Chesapeake Bay, including laws reducing pollution into the Bay, working for the creation of a national park on Assateague Island, and providing funds to the Army Corps of Engineers to model how the Bay functions as an estuary. Concerning civil rights, Morton voted for the Civil Rights Act of 1964, but not the Act of 1968. During the 1968 Republican National Convention, Morton served as the floor manager for eventual presidential nominee Richard Nixon. Morton also delivered the speech nominating Spiro Agnew, then-Governor of Maryland, as the vice presidential candidate. Due to his role in Nixon's election campaign and his environmental advocacy, Morton expected to be appointed as Secretary of the Interior in 1969. However, he was passed over for the position in favor of a westerner. He had also been considered for Nixon's vice presidential running mate, but lost out to Agnew. In January 1969, to recognize his efforts, Nixon appointed Morton as chairman of the Republican National Committee. As chairman, Morton was granted ex officio Cabinet rank by Nixon, an unprecedented practice that ultimately continued through the administration of Gerald Ford.

Using a quote from the above article, answer the following question: What did he serve in Congress?
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Answer: During the 1968 Republican National Convention, Morton served as the floor manager for eventual presidential nominee Richard Nixon.

Question: Dorothy Dandridge was born on November 9, 1922 in Cleveland, Ohio, to aspiring entertainer Ruby Dandridge (nee Butler) (March 3, 1900 - October 17, 1987) and Cyril Dandridge (October 25, 1895 - July 9, 1989), a cabinetmaker and Baptist minister, who had separated just before her birth. Ruby created a song-and-dance act for her two young daughters, Vivian and Dorothy, under the name The Wonder Children, that was managed by Geneva Williams. The sisters toured the Southern United States almost nonstop for five years (rarely attending school), while Ruby worked and performed in Cleveland.

In 1957, Dandridge sued Confidential (magazine) for libel over its article that described a scandalous incident, fictitious as it turned out, that it claimed occurred in 1950. In May 1957, she accepted an out-of-court settlement of $10,000. Dandridge was one of the few Hollywood stars who testified at the 1957 criminal libel trial of Hollywood Research, Inc., the company that published Confidential as well as all of the other tabloid magazines from that era. Four months after her out-of-court settlement for $10,000, she and actress Maureen O'Hara, the only other star who testified at the criminal trial, were photographed shaking hands outside the downtown-Los Angeles courtroom where the highly publicized trial was held. Testimony from O'Hara, as well as from a disgruntled former magazine editor named Howard Rushmore, revealed that the magazines published false information provided by hotel maids, clerks, and movie-theater ushers who were paid for their tips. The stories with questionable veracity most often centered around alleged incidents of casual sex. When the jury and press visited Grauman's Chinese Theatre to determine whether O'Hara could have performed various sexual acts while seated in the balcony, as reported by a magazine published by Hollywood Research, Inc., this was discovered to have been impossible. Dandridge had not testified during her civil lawsuit earlier in 1957, but in September she gave testimony in the criminal trial that further strengthened the prosecution's case. Alleged by Confidential to have fornicated with a white bandleader in the woods of Lake Tahoe in 1950, she testified that racial segregation had confined her to her hotel during her nightclub engagement in the Nevada resort city. When she was not in the hotel lounge rehearsing or performing her singing, according to her testimony, she was required to stay inside her room where she slept alone. Dandridge's testimony along with O'Hara's testimony proved beyond any doubt that Hollywood Research had committed libel at least twice. The judge ordered Hollywood Research to stop publishing questionable stories based on tips for which they paid, and this curtailed invasive tabloid journalism until 1971 when Generoso Pope, Jr. moved the National Enquirer, which he owned, from New York to Lantana, Florida.

Using a quote from the above article, answer the following question: When did the research trial start?
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Answer:
1957 criminal libel trial of Hollywood Research, Inc.,