Show bristow given promotion joseph L bristow fourth assistant postmaster general on friday tendered hia resignation to the president to take effect on january 20 by an ex order issued late friday after noon president roosevelt designated mr bristow as a special commissioner to make an investigation into the pres ent trade conditions and freight rates between the atlantic and pacific coasts and between the west coast of south america and the east coasts of the united states and europe to de termine the best policy of managing the panama railroad |