by Sebastian Smith Agence France-Presse WASHINGTON, United States (AFP) — President Joe Biden and his Chinese counterpart Xi Jinping agreed to schedule their first in-person summit during a sometimes tense phone call Thursday where Xi warned the United States not to “play with fire” in Taiwan. Although this was their fifth phone or video call since Biden took office a year and a half ago, the summit would be their first in-person meeting as leaders. […]