Former President Donald Trump on Friday expressed his appreciation for the physical beauty of young girls who had been knifed to death, slammed President Joe Biden for refusing to discuss in 2020 the death of a woman killed in 2024, and suggested Vice President Kamala Harris had approached two children with a machete. Trump delivered an anti-immigrant speech Friday in Texas that frequently veered away from detailing gruesome deaths at the hands of immigrants to throw questionable insults at political rivals. “They killed two young students walking to school, two beautiful young women, young gi…