As usual, your STBX is a loon. Although it does seem to me that it was a bit late too, she's just exercising her control freak muscles to spew random threats.
Just remove yourself from the drama. Let her spin her wheels. Take care of you and the kids. Let her figure it out for herself.
Congrats on the tax thing! That's great!
Michelle - Proud DR Rockette S: 28JUL07, D'd: 29OCT09 http://tinyurl.com/27j9qo2