In Theory, there is no Practice.

What does concern me is not that people are angry, far from it. I am more concerned that more people are not.

Righteous anger is not evil, not unholy. In many cases in the Bible, God himself, and Jesus, as Son of Man, became demonstratively angry. As God is Perfect, and without Sin, it is a simple proof that anger is not, in and of itself evil or wrong.

Those who lack gentleness can err in one of two ways. Some are irascible: they anger too quickly, for the wrong reasons, or in too implacable a manner. Others are deficient in anger: They are aorgesia, “lacking in spirit.” Such people are blamed, Aristotle notes, because “those who do not get angry at things at which it is right to be angry are considered foolish, and so are those who do not get angry in the right manner, at they right time, and with the right people.”

from September Sentimentality

This pretty much sums it up for me: The anger is righteous, but I am concerned about how best to apply it. Fundementally, I am angry at all despots, where people do not have the freedom of choice, defense or expression.