To have a political discussion without getting people too self-defensive, it's good to pose opinions in the third person:
"I support Trump because he's tough on immigration."
vs.
"People support Trump because he's tough on immigration."
Others are less likely to get combative when it seems like you are making an observation about a third party rather than planting a flag on a core belief.
"I support Trump because he's tough on immigration."
vs.
"People support Trump because he's tough on immigration."
Others are less likely to get combative when it seems like you are making an observation about a third party rather than planting a flag on a core belief.