An appeals court majority upheld a man’s aggravated stalking conviction over claims the law is unconstitutional. The split 1st District Appellate Court panel on Friday affirmed the conviction and four-year sentence for defendant Michael Taylor for threatening his ex-girlfriend after she broke up with him.Taylor argued the state’s stalking law, which criminalizes knowingly committing two or more acts of surveillance or making two or more threats that cause someone significant distress, is too vague. He argued “emotional …