Each enormous block is perfectly cut, polished smooth and fitted so tight not a sheet of paper would slip between them.

BBC: The perfect trip: Egypt

On March 7, the Argentine took out a sheet of white paper bearing notes written in tiny tight script.

WSJ: How Jorge Mario Bergoglio Became Pope Francis

On paper, the government is committed to tight monetary and fiscal policies, which should be the necessary accompaniment to freeing the peso.

ECONOMIST: Floating or sinking? | The

But tracking the flow of money goes all around the world, goes through countries that have very tight bank secrecy laws, and a lot of it goes through informal networks, which leave no paper trails.

CNN: Peter Carbonara: Following the al Qaeda money trail

The point is for any institution that is too big to fail or that poses a systemic risk, our regulatory white paper is about how to limit that -- eliminate the systemic risk, put in tight capital liquidity requirements on the institutions, so that they can fail if they mess up.

WHITEHOUSE: Press Briefing