Stories of derelict controllers keep piling up, even as the head of the FAA and the leader of the controllers' union started a cross-country tour to spread the gospel of professionalism to the rank and file.

CNN: STORY HIGHLIGHTS

Currency and financial crises have strong cross-border spillover effects - instability can fairly easily spread even if neighboring countries' economic fundamentals are sound.

CNN: This monetary body would limit Crisis spillover effects

Lastly, cross-border financial integration has spread far enough to channel contagion from one country to another, but not so far as to break the cycle of weak banks and weak sovereigns bringing each other down.

ECONOMIST: Why the euro is breaking the European dream

And some printed and digitized culture is spread regionally through cross-border communities such as overseas Chinese, Indians and Filipinos.

CNN: Cultural Shock

He honed his skills as a defence lawyer but as his reputation spread for his skill in cross-examination and handling juries, he began to be offered libel work, where the big money is made.

ECONOMIST: Gareth Williams

The only way to eliminate any risk of cross-infection in the aircraft cabin -- or the rapid worldwide spread of an infectious agent -- is to prevent would-be passengers who are either substantially exposed to or carrying transmissible infections from flying.

CNN: Commentary: Flu and your health on a plane

Tagizade's cross was met strongly by Imamaliyev six yards from goal, only for Jones to spread-eagle himself and deflect the ball over the bar with his knee.

BBC: SPORT | Football | Internationals | Wales 2-0 Azerbaijan