KENOSHA, Wis. — Kyle Rittenhouse was acquitted of all charges Friday after pleading self-defense in the deadly Kenosha shootings that became a flashpoint in the debate over guns, vigilantism and racial injustice in the U.S.Rittenhouse, 18, began to choke up, fell to the floor and then hugged one of his attorneys upon hearing the verdict.He had been charged with homicide, attempted homicide and reckless endangering after killing two men and wounding a third with an AR-style semi-automatic rifle during a tumultuous …