Group 1 - The core viewpoint of the news is the significant escalation of tensions between former President Trump and the Federal Reserve, highlighted by Trump's dismissal of Fed Governor Lisa Cook, which she claims was unconstitutional [1][2]. - Lisa Cook, the first Black woman on the Federal Reserve Board, was appointed by President Biden and her term extends until 2038, indicating her importance in the Fed's decision-making process [2]. - Trump's long-standing dissatisfaction with the Federal Reserve is evident, as he has repeatedly called for interest rate cuts and threatened to dismiss Fed Chair Jerome Powell [2]. Group 2 - The dismissal of a Federal Reserve governor by a sitting president is a rare occurrence in the Fed's over a century of history, marking a notable confrontation between Trump and the Fed [2]. - Former President Obama has warned about the "dangerous trend" of Trump's recent threats to deploy the National Guard in cities like Chicago and New York, urging vigilance from both Democrats and Republicans [2][3]. - Trump's previous actions of deploying the National Guard without state consent have sparked strong backlash from the public and Democratic leaders, indicating a growing concern over federal overreach [6].