Qatar's decision to launch itself into hosting the 2022 World Cup was a head-scratcher from the start. Why, some wondered, would a Middle Eastern emirate with fewer than 3 million people and little soccer tradition want to host the sport's biggest event?

Skeptics say the country wanted to use the prestige of the World Cup, which starts Sunday, to remake its image as a natural-gas producer with a shaky human-rights record.

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