Face masks and two-week quarantines for travelers entering Massachusetts from COVID-19 hot spots would be required under a bill filed at the Statehouse on Tuesday. The bill would also prioritize COVID-19 testing for vulnerable populations and mandate enforcement of workplace safety requirements designed to protect both workers and the public. Both the face mask and quarantine requirements would be enforced with fines under the bill. Republican Gov. Charlie Baker has already ordered the wearing of masks and has advised visitors to Massachusetts to quarantine for two weeks — except for a handful of nearby states. One of the sponsors of...