Less than a fortnight in office, President Donald Trump has quickly targeted federal employees in his attempt to remake the government in his own image, using the politics of revenge. Newly re-inaugurated for a second term,

Donald Trump's effort to freeze trillions of dollars in federal grants is the most provocative of his many attempts to expand his power in the first days of his presidency.

Trump is likely to succeed in expanding presidential powers on some fronts because the Constitution generally puts vast power in the hands of the president.