7/9: Pfizer working on booster shot for its COVID vaccine, but CDC and FDA say it's not necessary now. Dangerous flash flooding hits NYC, new heat wave blisters the Southwest.

Pfizer says it will seek emergency use authorization by the FDA for a booster shot later this summer. The drugmaker says a recent study in Israel shows the vaccine becomes less effective over time -- and getting a third shot will make it five to ten times more effective at neutralizing the virus. This morning, Tropical Storm Elsa is churning up the East Coast near New York City -- which got pounded by another storm yesterday. Southern California, Arizona, and Nevada are getting blasted by another potentially deadly heat wave. In northern California, a powerful earthquake shook the area around Lake Tahoe, causing some damage but no injuries. A new lawsuit filed on behalf of Breonna Taylor's family alleges the Louisville police department is possibly withholding body camera footage from the night she was killed. After 20 years, U.S. troops will be out of Afghanistan by the end of next month. President Biden yesterday laid out the final strategy for withdrawing the remaining U.S. forces. Two men believed to be U.S. citizens are among the suspects captured after the assassination of Haiti’s president.

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