Trump, Republicans face tricky task of averting U.S. government shutdown

By Richard Cowan and David MorganWASHINGTON (Reuters) - President Donald Trump and his fellow Republicans who control Congress face their first major budget test next week, with the threat of a U.S. government shutdown potentially hinging on his proposed Mexican border wall as well as Obamacare funding.With Republicans controlling the White House and both chambers of Congress, keeping the federal government operating is a basic test of their ability to govern, but their task could become even mo