'Nightline' Daily Line, Sept. 18: Romney's September Nightmare

6:32 p.m. ET: BREAKING: ABC News' Alex Perez reports that Chicago Teachers Union has agreed to halt strike and Chicago students will return to school Wednesday.

6:04 p.m. ET: So who are these 47 percent of Americans that don't pay income tax and Mitt Romney said he is not going to "worry" about winning over?

Read the full story HERE

Credit: NICHOLAS KAMM/AFP/GettyImages

4:23 p.m. ET: Watch out, ladies, there is an international invasion of eligible royal bachelors. TLC's new series, "Secret Princes," which premieres on Sept. 21, follows four noblemen as they leave their countries to live and work in the U.S. From left to right: Lord Robert Walters, Prince Salauddin Babi of India, Honourable Ludovic Watson of Houghton Hall in England and Prince Francisco Joaquin de Borbon von Hardenberg of Spain.

See the full slideshow HERE.

Credit: TLC

2:10 p.m. ET: Attorneys for a 486-pound Ohio death row inmate claim that the execution procedure "simply will not work" on their client and will cause him a "torturous and lingering death."

Read the full story HERE

12:08 p.m. ET: Jon Stewart and Bill O'Reilly, two of television's most-watched political commentators, are planning to face off in a presidential-style debate next month, but you'll have to pay to see it.

Read the full details HERE, anyone want to take bets on how many will watch?

Credit: Courtesy therumble2012.com

10:49 p.m. ET: ANALYSIS: No matter what Mitt Romney wanted this week to be about, it's clear that it's going to be about one thing: A campaign that is off message and in disarray.

Read ABC News Political Unit's Michael Falcone and Amy Walter's take on the presidential candidate's campaign.

Credit: harles Dharapak/AP Photo

9:55 a.m. ET: The royal family scored a legal victory today when a French court ordered a French gossip magazine to turn over all digital copies of photos of a topless Kate Middleton reportedly sunbathing in the south of France or pay a hefty fine if it ignores the ruling.

Read the full details of the ruling HERE

Credit: Rick Rycroft/AP