当地时间12月5日，美国政府宣布，将成立一个新的审查中心，加强对外国公民移民申请的背景审查。 （文章来源：央视新闻） 美国公民及移民服务局（USCIS）当天发表声明称，新成立的"USCIS 审查中心（Vetting Center）"总部 将设在亚特兰大，协助联邦官员识别潜在的恐怖分子、涉案外籍人士，以及其他可能对国家安全或公共 安全构成威胁的个人。 美国公民及移民服务局局长乔·埃德洛表示，鉴于近期发生的多起暴力事件，建立这一审查中心将使美 国能够在不断变化的威胁环境中，更有效地维护国家安全并确保公共安全。 11月26日，美国两名国民警卫队员在距离白宫仅几个街区的地方遭到枪击，其中一人死亡。由于该案件 嫌疑人为一名阿富汗公民，美国总统特朗普先后宣布多项严控移民的政策。 ...

Core Points - The U.S. Citizenship and Immigration Services (USCIS) has been directed to re-examine all green cards issued to individuals from "countries of concern" as per President Trump's instructions [1] - A list of 19 countries has been identified, including Afghanistan, Myanmar, Chad, and Venezuela, among others [1] - USCIS has indefinitely suspended all immigration application processing for Afghan citizens [2] Group 1 - The USCIS is reviewing green card issuance for individuals from 19 specified countries [1] - The review is prompted by a recent shooting incident involving National Guard members, linked to an Afghan national who entered the U.S. in September 2021 [1] - The Trump administration emphasizes the need to ensure that individuals who do not benefit the U.S. are removed [1] Group 2 - The indefinite suspension of immigration applications for Afghan citizens indicates a significant policy shift [2] - This move may impact the processing of many pending applications and the future immigration landscape for Afghan nationals [2]

Core Viewpoint - The Trump administration plans to review all 55 million foreign nationals holding U.S. visas, potentially leading to visa revocation or deportation for those found in violation of their visa terms [1][3]. Group 1: Visa Review Process - All U.S. visa holders will undergo "continuous review," with any signs of non-compliance leading to visa cancellation and possible deportation [3][5]. - Signs of non-compliance include overstaying, criminal activity, threats to public safety, or involvement in terrorism [3][5]. - The process is expected to be time-consuming and complex, particularly for those holding multiple-entry tourist visas currently outside the U.S. [5]. Group 2: Impact on Immigration Trends - The Pew Research Center reported that for the first time in decades, the number of immigrants leaving the U.S. has surpassed those entering, with 53.3 million immigrants in January and 51.9 million by June [7]. - The current administration's measures to reduce immigration include stricter requirements for student and technical visas, and increased deportations of illegal immigrants [6][7]. - Experts warn that a continued decline in immigration could negatively impact the U.S. economy and labor market, potentially reducing the country's global competitiveness for talent [7]. Group 3: Public Reaction and International Implications - The new immigration policies have sparked varied reactions from international communities, particularly in India, where approximately 5 million citizens hold valid non-immigrant U.S. visas [4]. - Some individuals express concern that these policies may deter foreign nationals from visiting the U.S., impacting tourism and international relations [3][4]. - The administration's focus on foreign students has led to a significant increase in visa cancellations, particularly among those involved in protests against U.S. policies [5][6].