Coalition of states and District of Columbia file lawsuit arguing president’s order is violation of US constitutionUS politics live – latest updatesWhat is US birthright citizenship and what does Trump’s executive order do?A swath of Democratic-led states and civil rights groups have filed the first lawsuits challenging executive orders Donald Trump signed after taking office, including one that seeks to roll back birthright citizenship in the US.A coalition of 22 Democratic-led states along with the District of Columbia and the city of San Francisco filed a lawsuit in federal court in Boston on Tuesday arguing the Republican president’s effort to end birthright citizenship is a flagrant violation of the US constitution. Continue reading...