Russia’s invasion of Ukraine a year ago saw a dramatic rise in the price of fertilizer for importers like Ghana, where farmers are struggling to cope. Ghana’s economic problems have made imports even more expensive, forcing farmers to switch to different crops and ultimately, reduce production. Kent Mensah reports from Akatsi, Ghana; Nigeria goes to the polls Saturday to elect a new president amid worsening insecurity and economic struggles. Timothy Obiezu reports from Abuja, Nigeria; And, U.S. President Joe Biden and NATO Secretary General Jens Stoltenberg on Wednesday attended a summit in Warsaw of the so-called Bucharest Nine, or B-9, countries on NATO’s easternmost flank, seeking to lessen anxiety over Moscow’s expansionist ambitions. White House Bureau Chief Patsy Widakuswara traveled with the president and has the story from Warsaw.