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.
In 1972, before Watergate became the scandal of the decade, more than half of American adults gave the government very high marks, saying they could trust it all or most of the time, while 45% opted for the only some of the time alternative.