Joe Biden's Europe trip is about defining, not affirming, his transatlanticism
US president Joe Biden is on his first foreign trip. On Thursday, he met UK Prime Minister Boris Johnson. On Friday and over the weekend, he will convene with fellow G7 leaders for his first multilateral summit. He will then head to Brussels on Monday for a NATO summit. And on Wednesday, he will meet with the Russian president Vladimir Putin, when he will, in his words, "let