Not withstanding is the notion that "one" should never TALK ABOUT politics and religion.
Rules for Civilized dialogue during Thanksgiving and ALL OTHER times...
Lets start with a few premises.
1. Clarity is what you should accept...when and if...you cannot successfully sell your point of view to one who is trying to SELL YOU, their point of view.
a. Once it is determined that no one is buying what the other is saying..to agree to ...#2.
2. To agree to disagree....to disagree vs being disagreeable...(requires intellectual honesty)
3. Personal attacks on their face is taking the intellectual out and the emotional in, should NEVER BE allowed...holiday, family gathering or NOT!
4. BE AWARE of what worked in "yesterday's world"....where one never spoke of religion and politics....for a very good reason..Those who looks to divide PEOPLE instigate that which should be and used to be ones' private affair..
Last rule that encompasses words above and much more....is the Ten Commandments of LOGIC
Trust me...I know what I know!