 While the details vary, both laws aim to address conservative complaints that the social media companies were liberal-leaning and censored users based on their viewpoints, especially on the political right. And also the Supreme Court opened the door Monday to new broad challenges to regulations long after they take effect, the third blow in a week to federal agencies. Justice ruled 6-3 in favor of a truck stop in North Dakota that wants to sue over a regulation on debit card swipe fees.