Isn't there general agreement that we're still in a "series of gaciation" - that is, an Ice Age? Glaciations have gome and gone regularly for the last 4 million years, and we're in between two now. As long as we're talking about "series of glaciations", I think the "to about 10k years ago" is misleading.
I'm not sure - it may be impossible to say unless another one actually occured. It seems for the present we have emitted enough CO2 to make it less likely.