NEW YORK—President Trump late last night filed a lawsuit against The New York Times and Penguin Random House seeking $15 billion, alleging defamation and accusing the news outlet of being a “virtual mouthpiece” for the Democratic Party. The following can be attributed to Katie Fallow, deputy litigation director of the Knight First Amendment Institute at Columbia University. “Trump’s lawsuit against The New York Times and Penguin Random House is his latest attempt to weaponize defa...