Both Mr. Sharif's PML-N and Mr. Khan's Pakistan Tehreek-e-Insaf draw much of their support from Punjab, the country's wealthiest province, and the election was particularly hard-fought in Lahore, the provincial capital and the country's second largest city.

WSJ: Strong Turnout as Pakistan Votes

Then the psychologists asked the subjects to draw the letter E on their foreheads.

WSJ: Weekend Essay by Jonah Lehrer: How Power Affects Us

The U.A.E. seemed set to have earned a second successive goalless draw until an own-goal by defender Walid Abbas in the third minute of time added on gave Iraq a much-needed victory.

CNN: STORY HIGHLIGHTS