by AFP bureaus WASHINGTON, United States (AFP) — The United States reopened its land and air borders Monday to foreign visitors fully vaccinated against Covid-19, ending 20 months of travel restrictions that separated families, hobbled tourism and strained diplomatic ties. The ban, imposed by former president Donald Trump in early 2020 and upheld by his successor Joe Biden, has been widely criticized and become emblematic of the upheavals caused by the pandemic. At airports in […]