Second wave of coronavirus cases? Experts say we’re still in the first.

What’s all this talk about a “second wave” of U.S. coronavirus cases?In The Wall Street Journal last week, Vice President Mike Pence wrote in a piece headlined "There Isn't a Coronavirus 'Second Wave'" that the nation is winning the fight against the virus.Many public health experts, however, suggest it's no time to celebrate. About 120,000 Americans have died from the new virus and daily counts of new cases in the U.S. are the highest they've been in more than a month, driven