1. In an effort to curb the spread of the Omicron variant, the U.S. enacted what new restrictions for arriving international travelers on Dec. 6?a. Proof of vaccinationb. Vaccination or a negative...

*** Original English piece written by Junhao Ye***Luna Chai entró con ambas manos ocupadas; uno con su cachorro de Jack Russell Terrier, Zeno, el otro con su MacBook. “Nunca antes había...