Hints and tips:
...It marks only the third time in US history that a motion to vacate has been filed in an attempt to remove a Speaker....
...Maze was founded by five scientists including Dr Mark Daly, co-director of the programme in medical and population genetics at the Broad Institute; Dr Stephen Elledge, Gregor Mendel professor of genetics...
...Divorce did not become common until the 1960s, stabilising around the 165,000 per annum mark in the 1990s....
International Edition