Open this photo in gallery: U.S. President Joe Biden arrives to board Air Force One for a trip to attend the G20 summit in New Delhi, on Sept. 7, in Andrews Air Force Base, Md.Evan Vucci/The Associated Press President Joe Biden opened his visit to India on Friday by meeting privately with Prime Minister Narendra Modi at the Indian leader’s home in a session the White House said was marked by “undeniable warmth and confidence” in one another going into the annual Group of 20 summit where climate, economic security and more will dominate the weekend’s talks. Biden spent 52...