Maybe I can save us all a lot of time.
Anything negative conservatives say about liberals is okay because, no matter how hateful it might initially appear, it is merely true.
Anything negative liberals say about conservatives is merely hateful, because it isn't true.
Given the above, you see no need to present any evidence at all to support your views on the matter.
Does that pretty much cover it?
If so, the grownups can stop feeding the troll and resume adult conversations.
"If you can keep your head while those around you are losing theirs, you can collect a lot of heads."