Reason for delay

It's our agency's fault and I am trying not to be angry. We had to get re-approved by USCIS to adopt an older child then we originally requested. We just got an email today from our agency asking us to write a letter to USCIS begging them to expedite our approval so we can still travel this month. There was a lack of communication within the CO and IA branches of our agency and it sounds like we've been waiting for 3 weeks for nothing. UGH!