The U.S. government bumped up against its debt limit Thursday, prompting the Treasury Department to take “extraordinary” accounting steps to avoid default — as friction between President Joe Biden and House Republicans raised concern about whether the U.S. can sidestep an economic crisis.
The protection provided by a second COVID-19 vaccine booster was worse than that bestowed by an initial booster, with the shielding trending negative after a period of time, according to a new study.