Update: Additional comments from Donald Rosen were added to the second- and third-to-last paragraphs.A Carpentersville attorney has failed in his latest attempts to appeal both a suspension that he blames on his mother and a separate ruling that won’t let him discharge his $500,000 student loan debt in bankruptcy.The U.S. Bankruptcy Court for the Northern District of Illinois had a simple reason it wouldn’t overturn Donald P. Rosen’s three-year suspension for misappropriating $85,000 of client funds and …