WASHINGTON — U.S. Reps. Cori Bush and Rashida Tlaib in a joint statement issued Thursday that voices support for South Africa’s current case against Israel before the International Court of Justice. In arguments before the United Nations’ top court Thursday, South Africa accused Israel of committing genocide against the Palestinians and pleaded with the United Nations’ top court on Thursday to urgently order a halt to the country’s military operation. Israel has vehemently denied the allegations. Bush, a two-term Democrat representing St. Louis, and Tlaib, a Michigan Democrat and the first Pal…