U.S. President Donald Trump continued Saturday to stress the need for his proposed U.S.-Mexico border wall as a partial government shutdown, triggered by a stalemate over funding for the project, entered its eighth day. In a tweet Saturday, Trump said Democrats should take the initiative on ending the shutdown, saying, “I am in the White House waiting for the Democrats to come on over and make a deal” on border security. A budget standoff remains between Trump, who wants $5 billion in wall funding, and Democratic lawmakers, who back a modest increase in overall border security funding but resolutely oppose a wall. Close border, cut aid In a series of tweets Friday, Trump again threatened to close the entire U.S.-Mexico border and cut aid to Honduras, Guatemala and El Salvador if Congress failed to give him money to fund the wall. He also asked for changes in what he said …