US Senator Rand Paul has said he introduced a constitutional amendment aimed at ending automatic birthright citizenship for children born in the US to undocumented immigrants. "I introduced a constitutional amendment to end birthright citizenship," Paul said on X on Monday. "The 14th Amendment was never meant to reward illegal entry." The Kentucky lawmaker drew a distinction between legal and illegal immigration, arguing that lawful immigration historically strengthened the US, while illegal immigration is being used to obtain citizenship benefits. "Legal immigration built this country. Illegal immigration is being used to game the system. Only children of legal residents should...