(Portland, OR)  --  A man is accused of attacking another one with a screwdriver during a road-rage incident in Portland.  Karl Slimm's bail is set at a-quarter-of-a-million-dollars after Victor Fieckert says Slimm tried to stab him while he sat in his car yesterday morning at Cesar Chavez and Powell.   Fieckert tells KATU-TV that the screwdriver injured one of his hands and his neck.  Slimm is facing an assault charge.