The cause of the crash is not clear but the road was wet and foggy in patches.

BBC: M5 crash: Retired couple from Newport among victims

The Consumer Financial Protection Bureau (CFPB) is setting clear rules of the road and will ensure that financial firms are held to high standards.

WHITEHOUSE: Wall Street Reform: The Dodd-Frank Act

It is clear that rules of the road are required in this difficult area, and not just for robots with wheels.

ECONOMIST: Robot ethics

On the other hand, the good news for Arena is that there is a clear road-map for approval in a year or two.

FORBES: Arena Pharmaceuticals Enters FDA Purgatory

Yes, the road has been, and will be, long and arduous, but the prize is clear.

WHITEHOUSE: President Obama & Prime Minister Cameron Joint Press Availability | The White House

"When there is no clear path between what he called for in the State of the Union and then going on the road, and there's no road map about exactly when we're going to get into these issues, it's a little bit like shouting in the forest, " said Patrick Griffin, the White House legislative director under Clinton.

NPR: Obama Bypasses Congress With Public Economic Pitch