SACRAMENTO - State Education Secretary Richard Riordan said Wednesday he will resign from his position in June, ending a sometimes bumpy term in Gov. Arnold Schwarzenegger's administration. The former two-term Los Angeles mayor and wealthy businessman gave no reason for his decision. Riordan was an uncomfortable fit in the Schwarzenegger administration whose efforts to change public school funding and management were largely stymied by opponents. His resignation was not a surprise to many in the Capitol who have anticipated him leaving after an incident last summer in Santa Barbara when Riordan jokingly told a child named Isis that her name...