'Nightline' Daily Line, June 18: Microsoft's Mysterious Announcement

7:44 p.m. ET: Police and medical examiners pressed their investigation on Monday into the drowning of Rodney King, an avid swimmer in the years since his videotaped beating made him a symbol of police brutality and led to riots in Los Angeles, Reuters reports.

Courtesy of AP

For the full story click HERE

6:38 p.m. ET: Arsenio Hall is coming back to late night. ABC News hinted at the new gig last month. Now, The Hollywood Reporter confirms that Hall will host a new talk show on CBS in the Fall of 2013.

Courtesy of Jon Kopaloff/FilmMagic/Getty Images

No word yet on whether he'll resurrect the "dog pound." Read the full story here.

4:14 p.m. ET: BREAKING: President Obama's nominee to be U.S. ambassador to Iraq, Brett McGurk, has withdrawn his nomination amidst questions about his professionalism and experience.

ABC News' senior White House correspondent Jake Tapper has the latest details HERE.

3:25 p.m. ET: President Obama's decision to relax immigration rules for hundreds of thousands of young illegal immigrants is a "short-term solution" that is "problematic" in the long run, Florida Sen. Marco Rubio told ABC News' David Muir.

"These young people, they need a long-term solution, one that is balanced and does not encourage illegal immigration, but accommodates their situation," the Miami-born son of Cuban immigrants said in the interview that will air tonight on "Nightline."

Read the full story HERE.

Credit: ABC News

2:38 p.m. ET: Brewskies for Buster?

Credit: St. Paul Pioneer Press

Seattle-based Bowser Beer, a new brew crafted for a canine clientele, is now sold in 42 states. But you need not worry: this dog-friendly beer is non-alcoholic. Eschewing hops, which are toxic to dogs, Bowser Beer is a non-carbonated mixture of meat-broth and malt barley, with glucosamine added for joint health.

Read the full story HERE.

12:44 p.m. ET: Microsoft will hold media event that has been shrouded in mystery in Los Angeles today, but rumors are the company is expected to announce a new Windows 8 tablet.

Read the full story HERE.

Credit: Microsoft

11:00 a.m. ET: Stunning photos retrace stuntman Nik Wallenda's historic walk over Niagara Falls, narrated by "Nightline" anchor Bill Weir.

10:13 a.m. ET: "Nightline" anchor Terry Moran reports that the Supreme Court will not make any big decisions today, including rulings on immigration and the Obama administration's health care plan.

9:35 a.m. ET: In an interview with People magazine, Jack Osborne, the former reality-TV star and son of Ozzy and Sharon Osbourne, reveals he has been diagnosed with multiple sclerosis.

Read the full story HERE

Credit: Gregg DeGuire/WireImage/Getty Images