Trump warns US government shutdown could last a 'long time'

President Donald Trump warned that the partial shutdown of the US government, which entered its 12th day on Wednesday, could last a "long time" as he stood firm in his demand for billions of dollars in funding for a border wall with Mexico.One day before Democrats take over control of the House of Representatives, Trump showed no signs of backing away from his insistence on $5.6 billion for his "beautiful" southern wall."This is national security we're talking about," he said at a cabinet meetin