The candidates must accept the final results of the runoff, and remain open to working together in the next government. If the loser feeds a frenzy of public opposition, it could lay the groundwork for something like the civil war that tore the country apart and opened the door to Taliban rule in the 1990s.
In a newsroom there is an innate tug of war between speed and accuracy. Yet that balance has been disrupted by a strong external force: social media. The problem is that social media, specifically Twitter, has given news organizations a powerful incentive to break news quickly, yet fails to punish them for inaccuracy.