You are assuming that Milankovitch cycles are the cause of the problem?
That is debated—due to things like:
http://en.wikipedia.org/wiki/100,000-year_problem
...and the list here:
http://en.wikipedia.org/wiki/Milankovitch_cycles#Problems
See also some of the alternative hypotheses:
“Sun’s fickle heart may leave us cold”
http://www.newscientist.com/article/mg19325884.500-suns-fickle-heart-may-leave-us-cold.html
...and...
“A New Theory of Glacial Cycles”
http://muller.lbl.gov/pages/glacialmain.htm
Unreferenced claims that “we are well past the threshold” don’t count as particularly useful evidence.
I recommend you back up such material if you want to continue this discussion.
You are assuming that Milankovitch cycles are the cause of the problem?
That is debated—due to things like:
http://en.wikipedia.org/wiki/100,000-year_problem
...and the list here:
http://en.wikipedia.org/wiki/Milankovitch_cycles#Problems
See also some of the alternative hypotheses:
“Sun’s fickle heart may leave us cold”
http://www.newscientist.com/article/mg19325884.500-suns-fickle-heart-may-leave-us-cold.html
...and...
“A New Theory of Glacial Cycles”
http://muller.lbl.gov/pages/glacialmain.htm
Unreferenced claims that “we are well past the threshold” don’t count as particularly useful evidence.
I recommend you back up such material if you want to continue this discussion.