6:45 p.m. ET: ABC News senior Political Unit correspondent Rick Klein tweeted:

#fiscalcliff stakes = 2909 Powerball jackpots, per @ zbyronwolf abcn.ws/Qr8IVr

- Rick Klein (@rickklein) November 28, 2012

5:21 p.m. ET: UPDATE: Seven Bolivian government officials were arrested on Tuesday after being accused of a plan to rob and extort an American who has been jailed without charge in the South American country for 18 months, according to Bolivia's interior minister.

Jacob Ostreicher, a businessman from Brooklyn who has maintained his innocence, has long said that Bolivian officials targeted him for his successful rice growing venture they seized when he was arrested last year after being accused of money laundering.

Credit: ABC News

Read the full story HERE. "Nightline" first met Ostreicher back in May while he was imprisoned. Watch our anchor Terry Moran's original report:

2:53 p.m. ET: Bette Midler tweeted:

With @ cynthiamcfadden. Love @ nightline-watch it every night! twitter.com/BetteMidler/st…

- Bette Midler (@BetteMidler) November 28, 2012

12:20 p.m. ET: BREAKING: The Powerball is now up to $550 million.

12:11 p.m. ET: Look who was spotted at last night's "Dancing With the Stars":

Credit: Jason Nathanson/ABC

Last night, Ann Romney and her son Craig were spotted in the audience of ABC's "Dancing with the Stars." Read more HERE

11:14 a.m. ET: Angus T. Jones, the "Two and a Half Men" actor who dismissed his show as "filth" and begged people to stop watching, has found another supporter - and possibly a new gig - in Charlie Sheen.

Read the full story HERE

Credit: John Shearer/WireImage

Jones apologized last night for his "testimonial." Watch the "Nightline" piece to get all the details:

10:05 a.m. ET: Is there a mathematical anything to giving you an edge in winning the Powerball Jackpot? ABC's Ryan Owens went back to school last night for "Nightline" to find out:

Are you going to buy a ticket? Or have you already bought one? Tweet us @Nightline and let us know where!