NEW : U.S. House lawmakers now plan a hearing to review the findings and potentially call for additional steps . Acting GSA head promises immediate action to maintain `` faith in our services '' GSA head Martha Johnson resigned Monday over agency spending . A government report cited GSA 's spending $ 822,000 on a training conference . The Washington Post reported that the event was held at an undisclosed location and cost taxpayers more than $120,000.
NEW : Acting GSA head promises immediate action to maintain `` faith in our services '' GSA head Martha Johnson resigned Monday over agency spending . A government report cited GSA 's spending $ 822,000 on a training conference . The Washington Post reported that the event was held at an undisclosed location and cost taxpayers more than $120,000.