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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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Murkowski says she'll vote to confirm Amy Coney Barrett to Supreme Court

Sen. Lisa Murkowski. Photo: Alex Edelman/AFP via Getty Images

Sen. Lisa Murkowski (R-Alaska) said Saturday that she'll vote to confirm Judge Amy Coney Barrett to the Supreme Court on Monday, despite her opposition to the process that's recently transpired.

The big picture: Murkowski's decision leaves Sen. Susan Collins (R-Maine) as the only Republican expected to vote against Barrett.

Post-debate poll finds Biden strong on every major issue

Joe Biden speaks Friday about "The Biden Plan to Beat COVID-19," at The Queen theater in Wilmington, Del. Photo: Drew Angerer/Getty Images

This is one of the bigger signs of trouble for President Trump that we've seen in a poll: Of the final debate's seven topics, Joe Biden won or tied on all seven when viewers in a massive Axios-SurveyMonkey sample were asked who they trusted more to handle the issue.

Why it matters: In a time of unprecedented colliding crises for the nation, the polling considered Biden to be vastly more competent.