if no wrong has been done, then why does the congress need to consider providing immunity?

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"Be who you are and say what you feel because those who mind don't matter and those who matter don't mind."
-Dr Seuss
You should have heard what i meant to say (apologies to Thelonious Monk)
"The police are not here to cause disorder....
...The police are here to preserve disorder."
Hon. Richard J. Daley
Chicago, 1968