You know what, I will call PSB in liaoning province, and tell them to come to my office, and look at my laptop, for conversation between me and you,, and i will tell them to post to see, if i have changed anything, and after all of this, i am sure, the PSB in Liaoning province will contact with PSB in Hubei Province, this will be Chinese Gov's business, and we will see, who is biggest liar, dont have a legality visa to stay in China, even can offer a recommendation letter form any school you taught before, whats wrong with you, so..if you are good, is this mean every one on the earth are bad, i think, dont tell people, you are american, you are making a shame to your country