WASHINGTON — Federal agents have searched the Virginia home of a Trump-era Justice Department official who championed efforts by President Donald Trump to overturn the results of the 2020 election and who is expected to be prominently featured in a House hearing Thursday on the Jan. 6, 2021 insurrection at the Capitol.The reason for the search of Jeffrey Clark’s home was not immediately clear and it was not known what information agents were searching for. But it comes amid ongoing investigations into the run …