Demonstrators rally in support of birthright citizenship outside the U.S. Supreme Court as President Donald Trump attends oral arguments in Washington, D.C., on April 1. Kent Nishimura/AFP via Getty Images hide caption toggle caption Kent Nishimura/AFP via Getty Images A majority of the Supreme Court justices seemed skeptical of the Trump administration’s argument on birthright citizenship Wednesday and appeared ready to rule in favor of upholding automatic citizenship for babies born on U.S. soil. That included multiple conservative justices, who had tough questions for Trump’s solicitor general, D. John Sauer. Sauer argued the government’s case against birthright citizenship, the practice enshrined in the 14th Amendment in the Constitution, which became law in 1868. It states: “All persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside.” Sauer, however, asserted that contrary to the law as understood for 160 years, the 14th Amendment does not confer automatic citizenship on every baby born in the U.S. He told the court …