BAGHDAD, Iraq - Final results from Iraq's landmark referendum on a new constitution will likely not be announced until Friday at the earliest because of delays getting counts to the capital and a wide-ranging audit of an unexpectedly high number of "yes" votes, election officials said. The returns have raised questions over the possibility of irregularities in the balloting. With the delays, the outcome of the crucial referendum will remain up in the air possibly into next week, at a time when the government had hoped to move public attention to a new milestone: the start of the trial of...