The Supreme Court on Wednesday seemed open to upholding a Texas law requiring age verification for accessing pornography online, though the debate turned murkier on the standard of scrutiny that should be applied to it and similar laws in more than a dozen states.

U.S. Supreme Court justices expressed worries on Wednesday over the availability of online pornography to minors as they weighed the legality of a Texas law that requires pornographic websites to verify the age of users,

A Texas anti-pornography law is going before the Supreme Court in a collision of free speech rights, regulation of online content and how to protect children.