Republican state lawmakers are pushing for social media giants to face costly lawsuits for policing content on their websites, taking aim at a federal law that prevents internet companies from being sued for removing posts. GOP politicians in roughly two dozen states have introduced bills that would allow for civil lawsuits against platforms for what they call the “censorship” of posts. Many protest the deletion of political and religious statements, according to the National Conference of State Legislatures. Democrats, who also have called for greater scrutiny of big tech, are sponsoring the same measures in at least two states. The federal liability shield has long been called for by former President Donald Trump and other Republicans, who say that Silicon Valley is stifling conservative viewpoints even before the companies cracked down on posts about claims of fraud in the 2020 election. Twitter and Facebook, which are often criticized for opaque …