It begins to look as though no Communist leader in Eastern Europe is going to consider his summer complete without at least one visit to Czechoslovakia. First it was nearly the entire Soviet Politburo that dropped in, hoping to persuade Czechoslovak Party Chief Alexander Dubcek and his colleagues to mend their reforming ways. Next came Yugoslavia's Marshal Josip Broz Tito to congratulate Dubcek & Co. on standing firm against Moscow. Tito had scarcely departed Prague last week when another visitor arrived, this one again hostile: East Germany's Walter Ulbricht, who had led the propaganda barrage against the Dubcek regime.
Though Ulbricht...