Tiffs over mask-wearing, common on the ground, trouble airlines too

The wearing of masks to protect against the coronavirus has become such a sensitive issue in the United States that airlines are struggling to impose the practice on defiant travelers in the enclosed environment of an airplane.Johannes Eisele, an AFP photographer, experienced the problem in person.When Eisele told the man that "I feel more comfortable if you wear it," his seatmate replied, "Keep your fear to yourself."