An attack video on President Barack Obama from conservative group Crossroads GPS features carnival music looping behind stock footage of zombies, babies, bombs, and car crashes.
Crossroads GPS spent more than $70 million in the 2012 campaign, and was the number 1 ranked PAC in outside spending. It has ties to GOP operatives Karl Rove and Ed Gillespie.
- It's time: Hillary Clinton and Donald Trump will face off tonight at 9 p.m. ET in the first of three US presidential debates.
- Inside the final days of the FARC, Colombia's 50-year-old rebel group, which is on the verge of signing a peace treaty with the government.
- Golf legend Arnold Palmer has died at 87. Known as "The King," his unusual style and charisma changed the game.