A group aligned with the radical left-wing group Antifa sent a tweet Sunday in which it appeared to praise an alleged arson attempt at a law enforcement officer's home. The group, Pacific Northwest Youth Liberation Front, included an article on how federal law enforcement agencies were investigating the incident, which law enforcement said might be linked to recent protests in Portland. According to Oregon Public Broadcasting, the Washington County Sheriff's Office has already claimed the incident was arson. "This is so cool," the group tweeted along with the article. When contacted by Fox News, Twitter did not immediately say whether...