President Trump on Monday defended his administration's "zero tolerance" immigration policies against growing outrage over the separation of migrant children from their parents. Trump said tough action against illegal immigration was critical for U.S. security and sovereignty, declaring that he would not let the country "be a migrant camp" on his watch. Trump also said the policy was "the Democrats' fault" for lenient policies that made the U.S. a magnet for migrant families. Nearly 2,000 children have been separated from their parents under the policy in the last six weeks. Evangelical leaders and four former first ladies have joined lawmakers from both parties in condemnation, with many of the critics calling images of children in fenced pens a national disgrace.