The court-appointed trustee overseeing the liquidation of Thornburg Mortgage Inc. has reached a deal with Barclays Capital Inc. to settle a subprime-era lawsuit alleging the bank made improper margin calls that helped drive the mortgage lender into bankruptcy, Dow Jones Daily Bankruptcy Review reported today. According to the terms of the proposed settlement filed Wednesday in U.S. Bankruptcy Court in Baltimore, Barclays would pay the trustee $23 million for the benefit of Thornburg's creditors.