The stakes are high as Giorgia Meloni, a conservative who shares some of Mr. Trump’s nationalist ideology, meets with him on Thursday as his trade war has frayed nerves worldwide.

The devastating stimulant has been hitting Portland, Maine hard, even competing with fentanyl as the street drug of choice. Although a fentanyl overdose can be reversed with Narcan, no medicine can reverse a meth overdose. Nor has any been approved to treat meth addiction.Unlike fentanyl, which sedates users, meth can make people anxious and violent. Its effects can overwhelm not just users but community residents and emergency responders.Here are voices from one troubled neighborhood.

A Times investigation shows Therme, a European firm, exaggerated its track record in securing a deal with Ontario, and government auditors found that the process had been unfair and opaque.