If you're still interested in this, fluorescence may be a good method to test the phosphate dependence on magnesium activity. First record a fluorescence spectrum of a solution of magnesium and fluorescent dye, then add small volumes of concentrated phosphate and note any changes in the fluorescence.
On June 19, 1972, the press reported that one of the Watergate burglars was a Republican Party security aide. Former Attorney General John Mitchell, who at the time was the head of the Nixon re-election campaign (CRP), denied any involvement with the Watergate break-in or knowledge of the five burglars.
Five men who were key figures in the Watergate scandal and exposure were Richard Nixon, Judge John Sirica, John Mitchell, G. Gordon Libby, and Senator Sam Ervin.he resulting cover-up  became known as 'Watergate'.    The scandal came in the political context of the ongoing Vietnam  War, which had since Lyndon Johnson's presidency grown increasingly  unpopular with the American public.