A former head ethics counsel for the Treasury Department said it’s “long overdue” for an investigation into Jared Kushner, former senior advisor to President Donald Trump known for his significant influence in the Trump administration and his work in the Middle East. News broke Wednesday that the Senate Finance Committee launched an investigation into Kushner’s overseas business activities. Committee Chair Sen. Ron Wyden (D-OR) asked Kushner’s firm Affinity Partners for details about a $2 billion investment from the Saudi Arabian government’s Public Investment Fund in 2021 and funding from oth…