Negotiators rushed to reach a US border security deal on Sunday that would unlock President Joe Biden's request for billions of dollars worth of military aid for Ukraine and other national security needs before senators leave town for the holiday recess. The Biden administration, which is becoming more deeply involved in the talks, is facing pressure from all sides over any deal. The administration and Senate negotiators had hoped to reach a framework by the weekend, but that's deeply uncertain. The talks come as Donald Trump, the Republican presidential frontrunner in 2024, delivered alarming anti-immigrant remarks about "blood" purity over...