A gradual increase in US gasoline taxes would bring a host of benefits, from deficit reduction to cleaner air to less reliance on autocratic nations. But Congress needs a long-term view to take this step now.Markets dislike uncertainty. And the Middle East, home to about one-third of the world’s oil production, has just entered an era of wild uncertainty. Whether even more powerful political shocks are ahead can’t be known.Now is the time for a calm response – including a recognition that ...