Complete the phrase for a worthy, honest person: "the ___ of the earth".

Complete the title of George Gershwin's 1924 work: "___ in Blue". A work week of how many days was not generally accepted until the 1930s? Which South American capital sits on the Río de la Plata, across the river from Buenos Aires? A world's fair opened in May 1986 in which British Columbia city, where Princess Diana fainted? Sara Jane Moore and Lynette "Squeaky" Fromme both tried to assassinate which president in 1975? Which word for a wreath of flowers is also the surname of singer Judy? Which wrinkle-faced breed of dog comes from China? What is a writer of 14-line poems called?