McKINNEY, Texas — Tensions ran high as the second day of testimony got underway Friday in the murder trial of a Karmelo Anthony, the Texas teenager accused of fatally stabbing a high schooler at a track meet. Three people were removed from the Collin County courthouse before morning proceedings began. A woman directed harsh words at a sheriff’s deputy, a blogger from North Carolina was removed for allegedly calling deputy a racial slur, and a third person may have been violating courthouse