Especially what it might mean for SC2 and Blizzard if Valve and Riot go head to head for dominance in the competitive scene.

FORBES: Further Thoughts on Starcraft 2 and League of Legends

The only safety valve is to go off sick.

BBC: England

The Needham analysts, in a note Tuesday, reiterated a buy rating on Arena, saying that although worries about risk of valve problems may never go away, that danger has been reduced by Tuesday's news, paving the way for a partnership with a larger pharmaceutical company.

FORBES: Magazine Article

Or perhaps, since the clever stuff can go wrong, ballot-stuffing is a safety valve.

ECONOMIST: Election fraud