A film-maker thought to be behind a crude movie that sparked anti-American riots across the Muslim world has been questioned by police in California, as President Barack Obama vowed to bring to justice those responsible for the deaths of four Americans in Libya.
"It has definitely gone negative," said Elizabeth McCann, a Denver-based lawyer. "We have been bombarded in Colorado because we are a swing state. We get ads constantly from both sides and I don't like the negative tone from either Republicans or Democrats."
For months, Mitt Romney has doggedly avoided saying much about foreign policy. The Republican presidential candidate has kept his focus rigidly on the struggling economy, seeing this as his best route to the White House. Everything else was viewed as a distraction, especially foreign affairs.
The public feuding between Israel and Washington ratcheted up sharply on Tuesday amid claims that Barack Obama has declined to meet Binyamin Netanyahu during the Israeli prime minister's visit to the US later this month.
The Republican White House ticket sought to neuter the perceived foreign policy edge of the Obama electoral campaign on Sunday, attacking the president's record whilst bragging of their own experience overseas.
12 dead, 58 injured.
The Dark Knight Rises was about 10 minutes in to its premiere viewing when the violence it depicted on screen leapt out into the auditorium in a hail of gunfire. Among the packed midnight audience in cinema nine of the Century 16 multiplex in Aurora, Denver, was a young sportswriter called Jessica Ghawi, 24, whose palpable excitement at the upcoming show is captured hours earlier on her Twitter feed.
At least 12 people have been killed and 38 injured in a shooting at a cinema showing the new Batman film near the US city of Denver, Colorado.