This week’s tensions over immigration reform literally caught fire in the East Valley on Thursday when students raised a Mexican flag over Apache Junction High School — and then other students yanked it down and burned it. “I know (they) shouldn’t have burned the Mexican flag,” said Jacob Stewart, a 16-year-old sophomore. “I heard it was raised above the American flag and that just irked me.” He said the turbulence was tied to the newsmaking debates in the state Legislature and in Congress, where ideas from offering illegal immigrants a chance at citizenship to making them felons are being considered....