Trump invokes Nazi-era 'blood' rhetoric against immigrants as Senate border security talks grind on WASHINGTON -- Time slipping, White House and Senate negotiators struggled Sunday to reach a U.S. border security deal 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. Negotiators insist they are making progress, but a hoped-for framework did not emerge. Republican leaders signaled that...