By Matthew Santoni ( February 4, 2025, 4:46 PM EST) -- A Pittsburgh billionaire made a "bona fide" deal to indemnify the trustees for his Mellon family millions as he drained a family trust account, so a $200 million settlement to partly replenish the fund for his heirs should be deductible and produce a $29 million refund of his Pennsylvania estate taxes, the estate's lawyer told a state appellate court Tuesday....