特朗普四度派兵引法律战，俄勒冈州诉其违宪

Core Viewpoint - The article discusses the legal and political implications of President Trump's decision to deploy the National Guard to Portland, Oregon, amidst ongoing protests related to immigration enforcement, highlighting the opposition from local officials and the public's growing concerns about political extremism and polarization [1][6][8]. Group 1: Legal Actions and Responses - Oregon's state government has officially filed a lawsuit against President Trump, claiming that the deployment of the National Guard constitutes an unconstitutional abuse of presidential power [1][6]. - The Oregon Attorney General plans to submit a request for a temporary restraining order against the military deployment within 24 hours [7]. - Local officials argue that the protests in Portland are small and peaceful, with no arrests related to the protests since June [6]. Group 2: Public Sentiment and Political Climate - A recent Ipsos poll indicates that over half of Americans oppose the deployment of the National Guard for local law enforcement [1]. - Concerns about political extremism and polarization have increased by approximately 15 percentage points since May [1]. - Oregon Governor Tina Kotek emphasized that there is no need for military intervention in Portland, stating that the situation does not pose a threat to public safety [6][8]. Group 3: Broader Context of National Guard Deployments - This marks the fourth time Trump has sent the National Guard to local states during his presidency, previously citing reasons such as high crime rates and social unrest [1]. - Trump's administration has been criticized for its approach to "sanctuary cities," with a directive to identify jurisdictions that hinder federal immigration enforcement [9][10]. - The deployment of the National Guard has been met with legal challenges in other states, including California, where a federal judge ruled that Trump's actions violated federal law [12].