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U.S. lawmakers have warned AT&T about doing business with Chinese phone-maker Huawei, citing security concerns, reports Reuters.

Why it matters: Federal regulators have blocked several Chinese acquisitions and partnerships with American companies, following President Donald Trump's pledge to crack down on the United States' largest trading partner. National security officials fear that data from Huawei devices could be used for foreign espionage by Chinese intelligence services.

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Biden calls for 3-month national mask mandate: "Be a patriot"

Joe Biden called on governors to issue a three-month mandatory outdoor mask mandate on Thursday, telling reporters after receiving a coronavirus briefing that experts say it could save over 40,000 lives.

Why it matters: Biden was more aggressive and specific than he has been in previous calls to wear a mask, arguing that it will allow children to return to school sooner, businesses to reopen and help "get our country back on track."

McConnell announces Senate will adjourn until Sept. 8

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Senate Majority Leader Mitch McConnell (R-Ky.) announced Thursday that the Senate will not hold any more votes until Sept. 8, though members will remain on 24-hour notice in case a coronavirus stimulus deal is reached.

Why it matters: With millions of Americans unemployed, the Trump administration and Democrats remain hopelessly deadlocked and unlikely to reach a deal any time soon.

Updated 2 hours ago - Politics & Policy

Trump vows to block stimulus funding for mail-in voting and USPS

President Trump on Thursday told Fox Business' Maria Bartiromo that Democratic demands to fund mail-in voting and the U.S. Postal Service in ongoing coronavirus stimulus negotiations were a non-starter.

Why it matters: Trump directly linked Democrats' desired $3.6 billion for mail-in voting and $25 billion for the USPS to his continued baseless claims that increased mail-in voting will lead to widespread voter fraud.