All week the gleaming black Chaika limousine of the Russian ambassador sped back and forth across the bridges over Prague's Vltava River the little Soviet flag on the fender discreetly removed. As fast as Soviet Ambassador Stepan Chervonenko delivered messages from the Kremlin to government and party offices in Prague, the Czechoslovaks worked feverishly at drafting replies. Then the Czechoslovak party Presidium met to prepare point-by-point answers to a barrage of Russian demands expected at a historic summit conference this week in Czechoslovakia with the Soviet Politburo.
The Moscow Politburo's decision to go...