Western officials have challenged Iraq's count of infant deaths that could be attributed to the embargo.
The Japanese press and senior officials have challenged the practice of having civilians aboard a military vessel during an exercise.
But officials from each of those agencies challenge the Administration's public assertion that the Mexican authorities are trying their best.
But officials in several states challenge that assessment.
But five Democratic officials challenged that plan in a lawsuit filed in July.
Reports of lavish houses, large bank accounts and shady business dealings surfaced, but no officials challenged the national hero.
American officials did not disguise their disappointment, and challenged the Europeans to come up with better alternatives.
Local officials, thrilled to play host to such a celebrity, did not challenge her papers.
The former officials challenged the commission's ruling in court.
However, three officials including the famous Cai Yong still challenged the order and were executed.