▁Again " ▁written ▁upon ▁it , ▁by ▁the ▁staff ▁of ▁the ▁Justice ▁Department . ▁ ▁When ▁interview ed , ▁Del rah im ▁emphas ized ▁that ▁under ▁U . S . ▁law , ▁a ▁mon opol y ▁is ▁legal ▁as ▁long ▁as ▁it ▁does ▁not ▁ab use ▁its ▁mon opol y ▁power . ▁Del rah im ▁has ▁given ▁speech es ▁arg uing ▁that ▁behavior al ▁rem ed ies ▁in ▁consent ▁decre es ▁to ▁rem edy ▁an ▁otherwise ▁illegal ▁mer ger ▁are ▁in effect ive ▁and ▁that ▁ant it rust ▁enfor cers ▁should ▁instead ▁employ ▁struct ural ▁rem ed ies ▁such ▁as ▁div est ment . ▁ ▁On ▁November ▁ 2 0 , ▁ 2 0 1 7 , ▁Del rah im ▁file d ▁a ▁law suit ▁under ▁Section ▁ 7 ▁of ▁the ▁Clay ton ▁Ant it rust ▁Act ▁of ▁ 1 9 1 4 ▁to ▁block ▁AT & T ' s ▁$ 8 5 . 4 ▁billion ▁ac quisition ▁of ▁Time ▁Warner . ▁ ▁On ▁June ▁ 1 2 , ▁ 2 0 1 8 , ▁U . S . ▁District ▁Judge ▁Richard ▁J . ▁Leon ▁rejected ▁the ▁government ' s ▁claims ▁and ▁refused ▁to ▁block ▁the ▁mer ger . ▁The ▁Department ▁of ▁Justice ▁has ▁since ▁appe aled ▁this ▁outcome . ▁ ▁On ▁May ▁ 2 9 , ▁ 2 0 1 8 , ▁Del rah im ▁required ▁one ▁of ▁the ▁largest ▁struct ural ▁div est it ures , ▁as ▁a ▁condition ▁of ▁appro ving ▁Bayer ' s ▁$ 6 6 ▁billion ▁ac quisition