Happy Tuesday! On the one hand, President Joe Biden’s net approval rating is nearly 9 points underwater, his legislative agenda is stalled, and several members of his cabinet are not-so-subtly angling to replace him in 2024.

On the other hand, he just adopted an adorable new German Shepherd puppy named Commander.

Quick Hits: Today’s Top Stories

• Omicron is now the dominant variant in the United States, with new Centers for Disease Control data released yesterday showing the variant was responsible for slightly more than 73 percent of the COVID-19 infections recorded last week. Two weeks ago, Omicron accounted for slightly less than 13 percent of all COVID-19 cases.

• Moderna announced Monday that a third dose of its COVID-19 vaccine increased Omicron neutralizing antibody levels 37-fold compared to pre-boost levels, a preliminary sign that a booster dose of its vaccine is likely to provide significant protection against the new variant. The biotechnology company said it will continue developing an Omicron-specific vaccine, but that, for now, the existing booster will serve as its “first line of defense” against the variant.