From CNN, I'm a Foma D.K. with the five things you need to know for Friday July 5th.

President Joe Biden faces two critical tests today as he looks to prove to Democrats that he's fit for a second term.

He's holding a campaign rally in Wisconsin this afternoon and his first TV interview since the debate

airs tonight. Here's CNN White House correspondent Priscilla Alvarez.

Campaign officials that I have been talking to say, look, we acknowledge this is a high stakes moment for the president,

but they're also aware that the president is sometimes prone to those verbal

missteps and so this isn't just about the substance of what the president

says during this interview but also how he delivers it. On his way to Wisconsin he

told reporters on the tarmac that he can still beat

Trump but a growing number of Democrats are rallying behind Vice President Kamla

Harris and some are even weighing in on her potential running mates but several

officials say some donors have

complained she can't win. While House Democrats have told colleagues they

feared they'll lose their seats with Harris at the top of the ticket. More than

40 million people in the US will see temperatures

over 100 degrees Fahrenheit over the next seven days. Heat related illnesses

increase every summer, but CNN's Jacqueline Howard says there are ways you can protect

yourself. Doctors are worried about seeing a rise in heat-related illnesses this

summer like heat stroke, heat exhaustion, or heat cramps.

But to protect yourself, make sure to stay hydrated,

drink lots of water, and stay cool while indoors.

Try to limit your outdoor activities,

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