The station foyer is manic, and an indicator board has recently been erected in the middle of the concourse.

BBC: News | UK | Commuting: A lottery for the visually impaired

Ability at them is no indicator of across-the-board play, and many grandmasters would be slower than the average problemist at spotting a composed mate-in-two.

ECONOMIST: Self-inflicted puzzles

This is one advantage over the Conference Board's leading economic indicator, which conceals useful information by combining longer- and shorter-term indicators in a single measure.

ECONOMIST: Leading economic indicators

Every indicator out there is that the economy, across the board, including in manufacturing, is starting to make investments again.

WHITEHOUSE: The White House

Over the years the Conference Board has used several rules of thumb to decide whether its leading economic indicator is signalling a recession.

ECONOMIST: Leading economic indicators