He said the postponement was necessary because Annan had not consulted with the Zimbabwean government regarding the timing and purpose of his visit.

CNN: Carter, Annan unable to visit to Zimbabwe

The initial purpose was for replays to be used to correct timing and scoring errors and was later expanded to look at whether a player was behind the line on a 3-point shot and flagrant fouls.

WSJ: Officials facing dilemma with video review

His purpose was to determine if these sources of expertise had any real skill in selecting stocks or timing the stock market.

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