The specific phrase you used was "murdered all the people there." This would suggest the period you're referring to could include the so-called Indian wars which largely ended in the 1890s.
It was probably politically useful for him to be criticized from the left.
My view is a little more nuanced than just "all Democrats want open borders." I do think the party decisionmakers are well to the left on me on the issue, and polls show that I'm to the left of the typical Democrat (if wanting immigration is a left/right spectrum issue.)
However, on calling something a loaded question, the thing that matters is how the question is phrased, not what the person saying it believes.
You could answer my question about the Democratic position on immigration without having a similar understanding as I do. I think I've phrased in that way.
When I said that I'll answer non-loaded questions about Republicans, that just means that I'm asking for the question to be phrased in a non-loaded way, rather than insisting the person asking the question not have an opinion on the matter.
There is a long tradition of keeping grand jury material sealed.
There is also speculation that the court will take up this case before they go on summer break.
https://www.scotusblog.com/2020/05/j...ury-materials/