All the Shulchan Aruch, Orach Hayyim 459 - 461 and Rambam's Mishne Torah on Hilchot Ta'anit, chapter 5, are futile if you observe and end up hating more. Ponder on it this date. After all, it was sinat chinam, unfounded hate, what brought down the Temple. Tzom Tov, Fortuna Benmayor.
One student killed, three wounded at Arizona campus during fight (a)
from the article: Why I Still Fast on Tisha B’Av