Knight Ridder executives have begun making presenations to companies that might be interested in buying the newspaper chain. First up was McClatchy, the chain that owns the Sacramento Bee. McClatchy Chairman and CEO Gary Pruitt (left) was at KR headquarters in San Jose on Thursday and Friday to hear a sales pitch from KR Chairman and CEO Tony Ridder, according to a report in the Mercury News. Other would-be buyers will visit KR in the next few weeks.