Chipotle's E. coli outbreak threatens sales, emboldens critics

By Lisa Baertlein LOS ANGELES (Reuters) - Chipotle Mexican Grill Inc's food poisoning outbreak in Washington state and Oregon threatens to scare diners away from the popular burrito chain and has become fodder for one of its most vocal critics. Health officials are scrambling to identify the cause of the E. coli food poisoning that has sickened 35 people who ate at eight Chipotle restaurants in the greater Seattle and Portland areas. All of Chipotle's 43 outlets in those cities have been closed