Tensions are rising at a California high school where five students were sent home for wearing American flag T-shirts on Cinco de Mayo. Morgan Hill Police Department Cmdr. Joe Sampson said two officers were stationed at Live Oak High School school midday Friday to give a “visual presence” in order to thwart any potential acts of violence. “We want to give them peace of mind should... 

View more news videos at: http://www.nbcbayarea.com/video. On any other day at Live Oak High School in Morgan Hill, Daniel Galli and his four friends would not even be noticed for wearing T-shirts with the American flag. But Cinco de Mayo is not any typical day especially on a campus with a large Mexican American student population. Galli says he and his friends were sitting at a table during brunch...