With more details emerging about private charter flights taken at government expense by top officials of the Trump Administration, leading lawmakers on a key oversight committee in Congress asked the White House on Wednesday for details on those flights, raising questions about the proper stewardship of taxpayer dollars. "The Committee is examining the extent to which non-career officials at federal departments and agencies either use government-owned aircraft for personal travel or private non-commercial aircraft for official travel," read a bipartisan letter sent to White House Chief of Staff.