The Mayor of London has again waded into the argument over aviation capacity, telling business leaders that building a new four-runway hub airport in the Thames Estuary is the only way for the UK to be able to compete on the world stage.

BBC: Ryanair boss calls Boris Island 'hare-brained'

Even if the Saudi princes are telling the truth about their spare capacity, it all goes bye-bye in two more years.

FORBES: The Truth Behind Saudi Arabia's Spare Capacity

The very fact that prices are low for WTI is what is telling us that we need more transport capacity for crude oil.

FORBES: Keystone XL Pipeline and Prices as Signals

And we have a little faith in the capacity of our elected leaders in Congress to hear what the American people are telling them, hear what their colleagues are telling them, and hopefully create majorities within both houses to do the right thing.

WHITEHOUSE: Press Briefing