Analysis-Trump, at zenith of power, moves quickly to 'take over' Washington

By Gram Slattery WASHINGTON (Reuters) - Donald Trump has been in office for five days, and yet he has already imposed his will on Washington with ruthless speed and efficiency, showing that even his most radical campaign promises were far from just bluster. The Republican president has taken the first steps toward fulfilling his vow of remaking a federal bureaucracy he believes was hostile to