WASHINGTON – President Donald Trump warned Wednesday that a government shutdown was possible this weekend because Democrats were demanding to have “illegal immigrants pouring into our country,” tossing incendiary rhetoric onto a partisan showdown that had been showing signs of easing. Trump’s comments risked roiling a White House meeting with congressional leaders of both parties planned for Thursday aimed at averting a shutdown and sorting through year-end disputes over the budget, immigration and other issues. With money for federal agencies running out at midnight Friday, Republican leaders plan to push a bill through Congress this week financing the government through Dec.