Mexico ousts hundreds of police commanders Government is cracking down on corruption By James C. McKinley Jr. NEW YORK TIMES NEWS SERVICE June 26, 2007 MEXICO CITY – Mexico purged 284 commanders from the top ranks of its federal police forces yesterday as part of the government's effort to contain corruption and halt an underworld war between drug traffickers. “We know Mexicans demand an honest, clean and trustworthy police force,” Public Security Secretary Genaro García Luna said at a news conference. “It's obvious there are mafias that are acting to keep the situation from changing, to continue enriching themselves through...