As reported in the Monitor last week , the recent U.S. indictment of 10 Mexican officials poses a key test for President Claudia Sheinbaum Pardo: how best to balance pressures from its neighbor and largest trading partner with the domestic imperative to defend sovereignty – while also tackling cartel crime and serving justice for ordinary Mexicans? More broadly, this development also tests both countries’ determination to collaboratively pursue legitimate shared interests in a way that stabilizes rather than further disrupts already-shaky economic, political, and security relations. Last Thursday, President Sheinbaum said the U.S. request for extradition of the 10 officials did not provide enough evidence for arrests. Instead, she said, Mexican prosecutors would investigate the cases to determine evidence of criminality. Her declaration came in the wake of increasing unease after a roadway incident in late April pointed to CIA involvement inside Mexico.…