If you don't know what's going on between Twitter and the United States Government right now, grab some popcorn and take a seat. We'll try to make it as simple as possible, as there is quite a bit of meat on this bone. Twitter is suing the United States Department of Homeland Security for demanding that Twitter unmask the anonymity of Twitter account @ALT_USCIS (Alternative US Citizenship and Immigration Services), which voices its direct opposition of the Trump Administration, its values (and its logic). The government tried to use a "limited purpose investigatory tool" that can...
Source: http://www.gsmarena.com/twitter_sues_the_us_department_of_homeland_security_for_trying_to_break_the_first_amendment-news-24425.php