Brazil says social media sites must respect domestic laws / Federal police implement strict social media policy / Musk blasts Australia as 'fascists' over social media law / Supreme Court puts off ruling on whether state social media laws violate the 1st Amendment / US Supreme Court sidesteps ruling on Republican-backed social media laws / Supreme Court puts social media laws in Florida and Texas on hold / Supreme Court vacates rulings on Texas and Florida social media laws / Supreme Court sends Texas and Florida social media regulation laws back to lower courts / Supreme Court orders second look at Texas and Florida social media laws