Vanessa Romo

Updated Monday 8:20 a.m. ET

President Trump on Monday defended Vice President Mike Pence's decision to walk out of Sunday's NFL game between the Indianapolis Colts and the San Francisco 49ers in Indianapolis.

Another Sunday, another Trump Twitter war.

This time, President Trump, who is spending the day at his golf course in Virginia, took aim at retiring Republican Sen. Bob Corker of Tennessee.

And Corker fired back.

"It's a shame the White House has become an adult day care center," Corker wrote. "Someone obviously missed their shift this morning."

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MICHEL MARTIN, HOST:

Updated at 11 a.m. ET Sunday

With a pair of Sunday television interviews, President Trump's administration furthered ambiguity on the United States' position with regard to the Paris climate agreement.

On CBS' Face The Nation, U.S. Secretary of State Rex Tillerson was asked by John Dickerson if there was a chance the U.S could stay in the accord.

Updated at 3:57 p.m. ET

The Trump administration Tuesday formally announced it will end the Deferred Action for Childhood Arrivals program — also called DACA — putting an expiration date on the legal protections granted to roughly 800,000 people known as "DREAMers," who entered the country illegally as children.

President Trump issued a statement, saying, "I do not favor punishing children, most of whom are now adults, for the actions of their parents. But we must also recognize that we are nation of opportunity because we are a nation of laws."

Hope Hicks, one of President Trump's rarely seen but longest-serving aides, has been named interim White House communications director, filling the position left vacant by Anthony Scaramucci after his 10-day tenure.

Hicks will work alongside press secretary Sarah Huckabee Sanders until a permanent replacement is found, the White House said. She has been serving as director of strategic communications.

"We will make an announcement on a permanent communications director at the appropriate time," a White House official said.

Updated Aug. 13 at 10:50 a.m. ET

Political leaders used Twitter to respond to the violent confrontations that began Friday night in Charlottesville, Va.; continued with a "Unite the Right" rally that pitted members of the alt-right, Ku Klux Klan and neo-Nazi groups against anti-racism counterprotesters on Saturday; and turned deadly when a car plowed into a group of pedestrians.

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ARI SHAPIRO, HOST:

President Trump has hired a former federal prosecutor to assist in how the White House handles its response to the expanding Russia probes.

Ty Cobb, whose legal expertise lies in white-collar crime and congressional investigations, will be "in charge of overseeing the White House legal and media response" to the investigations, according to Bloomberg News.

On Thursday, former Presidents George W. Bush and Bill Clinton shared a stage and their ideas on what makes a strong leader in today's world.

The intimate conversation was part of the graduation ceremony for the 2017 class of the Presidential Leadership Scholars Program held at the George W. Bush Presidential Center in Dallas.

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