Mexico has severed diplomatic relations with Ecuador after Ecuadorean police officers on Friday arrested Jorge Glas, an Ecuadorean politician who had been granted refuge in Mexico’s embassy in Quito. That arrest, which Mexico described as a “violation” of its sovereignty, capped days of growing tensions between the two Latin American countries. Ecuador has considered Mr. Glas a fugitive and said …

A change in the overall political mood could move some of these races into tossup territory. Here are a few to keep an eye on: Virginia’s 7th District The decision of Representative Abigail Spanberger, a Democrat, to run for governor turns her Democratic-leaning seat into a free-for-all. Seven Democrats have declared for the primary on June 18, including Eugene Vindman, …

A new article in the New England Journal of Medicine, one of the oldest and most esteemed publications for medical research, criticizes the journal for paying only “superficial and idiosyncratic attention” to the atrocities perpetrated in the name of medical science by the Nazis. The journal was “an outlier in its sporadic coverage of the rise of Nazi Germany,” wrote …