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.
Week by week, the Watergate disclosures led nearer to Nixon, engulfing his closest associates. On the first day in July, 1972, John N. Mitchell, who as attorney general had been the chief symbol of law and order in Nixonâs administration, resigned as chairman of the re-election committee because of the scandal.