By Scott Bradford During the early weeks of March 2015, First Assistant U.S. Attorney Billy J. Williams received a phone call from Eric Holder, U.S. Attorney General during the majority of President Barack Obama’s administration. The incumbent U.S. Attorney for the District of Oregon Amanda Marshall had decided to step away from her duties. Attorney General Holder said to Williams, “You’re now the U.S. Attorney.” As Acting (and later the Senate-confirmed) U.S. Attorney for the District of Oregon, Williams faced unprecedented challenges, starting with the need to right and steady an office roiled by U.S. Attorney Marshall’s resignation. It is likely not a path Williams thought about for himself when…