Earlier this year, however, a mid-air accident forced him to take to his blog.

FORBES: Billionaire Space Race: 2012 Will Be The Year Private Space Transport Takes Off

An allergic reaction to pollen in the air forced the 22-year-old player to retire from a game at the Serbain Open on Friday.

CNN: Federer knocked out of Estoril Open

Rukeyser, however, was thriving again with his new show on CNBC--until his battle with cancer forced him off the air.

FORBES: Nettlesome Idea

Highlights of the new software include System Match technology with features such as True Radiant and Heat Pump Balance geared to help high-efficiency, non-conventional (i.e. not forced air) heating systems perform even more efficiently.

FORBES: World's Smartest Thermostat Is Now Even Smarter

Colombia's armed forced have killed 13 guerrillas - including two leaders - in an air raid, officials say.

BBC: Aerial attack kills 13 Farc rebels in Colombia

Most unprepared of all was chief air-cargo operator HACTL, which was forced to stop processing freight at its spanking new Super Terminal 1.

CNN: A Date with Disaster

CNN's Brent Sadler -- who was back in Belgrade after some international journalists were forced to leave Yugoslavia earlier -- heard one explosion outside Belgrade Saturday as air raid sirens rang out in the Yugoslav capital.

CNN: Belgrade area targeted in fourth day of NATO strikes

Airbus is now being forced to unveil its latest ideas by mid-June, instead of waiting for the Farnborough Air Show in July, the normal showcase for new aircraft.

ECONOMIST: Cabin fever

BA, bereft of its standard-bearer, is looking for ways to cosset passengers forced to spend seven hours in the air between New York and London, not three and a half.

ECONOMIST: Air travel

Here again in 2011-2012, the crisis proved good for gold at first, but the whole move has been unwound as global credit deflation sucked the air out of gold futures and options, and wipe-out losses in other assets forced even true believers to quit their positions.

FORBES: Gold Erases Last Summer's Gains But Don't Count It Out