Even though Americans support immigration, they have been willing to accept tougher prescriptions for enforcement — and their willingness could test how far hard-liners can go in 2024 with anti-immigrant proposals. Democrats, like Republicans, have been joining the drumbeat that there is a "crisis" at the border as the numbers of people the Border Patrol says it encounters hit record levels. Amid all this, former President Donald Trump promises to expand on the hard-line immigration policies of his first term, setting off alarm bells among immigration advocates and even some Republican conservatives. Trump has escalated his language with declarations that...