A year after 20-year-old U.S. Army Spc. Vanessa Guillen was reported missing from Fort Hood in Texas, her family appealed to President Biden on Thursday to make good on his campaign promises by joining in their fight to end sexual violence in the military and backing a newly introduced bill named for the slain soldier. Natalie Khawam, an attorney representing the family, contrasted how Guillen’s case and that of George Floyd were handled after former Minneapolis police officer Derek Chauvin was convicted this week for the murder and manslaughter of Floyd last May. "Our country stands today begging for Congress,...