The US Justice Department is fast-tracking fights over President Donald Trump’s efforts to push the bounds of executive power, teeing up key issues for the US Supreme Court in the coming weeks or even days.

The Trump administration is asking the Supreme Court to allow the firings of thousands of probationary workers as the president seeks to greatly shrink the size of the federal government. Officials filed an emergency appeal Monday asking the high court to block a ruling by a federal judge in San Francisco requiring the administration to rehire about 16,