Polish intelligentsia face post-communist vetting Tue Mar 13, 2007 5:17am ET145 By Chris Johnson WARSAW (Reuters) - Andrzej Krawczyk was arrested on a Warsaw street in 1982 with a backpack containing 1,000 pro-democracy leaflets protesting against martial law and the communist crackdown on the Solidarity trade union. In prison, he was forced to sign a document saying he would collaborate with the secret police, but later retracted it and insists he never helped the Soviet-era authorities in any way. Now, 25 years later, Krawczyk is one of thousands of senior Polish officials preparing to try to clear their name under...