Visually these boards have a washboard effect-and as the varied grain intersects the wood surface and light at different angles, a hologram-type depth emerges.
Despite the pending lifting of the grain export ban, scheduled to go into effect on July 1, the Central Bank of Russia does not expect domestic food prices to rise in response to more of Russian agribusiness shipping grains abroad instead of serving the local market.
The bad news is that there are persistent leaks to the effect that these Shermanesque statements are to be taken with the same grain of salt as Mr. Bush's declared determination pre-election to keep Donald Rumsfeld at the Pentagon for the duration of his term.
In other words, some machine-based tutoring is approaching the effect size of real human tutoring and there is less variation than one might expect as the grain size of tutoring becomes finer.