National News

Call it a historic technological achievement. Call it a victory lap across America. Call it a shameless promotion for a controversial energy agenda. Its owners simply call it Solar Impulse.
In some ways, it's just a number, but it's a big number with enormous implications.
Electric vehicles use the same roads, the same bridges and the same infrastructure as the rest of us. But because they don't burn gasoline, they're immune from paying taxes at the pump to fund that infrastructure. That's going to change.
In general, digestive diseases are hidden in the bathroom. You don't talk about anything that happens there unless it's with your spouse or a close friend.
Elizabeth Dunn and Michael Norton write that people pass up opportunities to spend their money to avoid disagreeable tasks
Julian Zelizer says that Obama, like many before him, chose to work within the system to get things done rather than lead transformative change.

Two Explosions at Finish Line of Boston Marathon: Do You Immediately Think of Terrorism When Things Like This Happen?