Live commentary: Watch the presidential debate with us at 6 p.m. PDT

Tweets from @latimesopinion/live-commentary

Would a Mitt Romney presidency be good for the world? That’s what voters will have a chance to assess during Monday’s presidential debate, which will focus on foreign policy. Among the topics on tonight’s agenda: Afghanistan and Pakistan, Israel and Iran, China and two segments on “the changing Middle East and the new face of terrorism,” according to an announcement made by moderator Bob Schieffer. With the race at a dead heat, President Obama will have to do more than tie with his Republican challenger. He’ll have to win it in order to see the needle move in his favor.

Of course, when it comes to foreign policy, the Times editorial board had been critical of Romney on a number of occasions, most recently in its endorsement for Obama, writing that Romney, “has sounded bellicose on foreign policy, particularly in regard to the complex challenges posed by Iran, Russia and China, with which he appears determined to start a trade war.”

Once again, we’ll be streaming tonight’s presidential debate right here in this spot at 6 p.m. PDT.

Along with showing the debate, we’ll also have live commentary from luminaries of the left and right, sharing their thoughts in 140 characters or less. This week’s participants include Charlotte Allen, Meghan Daum, Jonah Goldberg, Jon Healey, Mickey Kaus, Doyle McManus, Harold Meyerson, Patt Morrison and Jim Newton.

ALSO:

A few final questions for Obama and Romney on foreign policy

Presidential debate: Obama, Romney need an NFL-style referee

Last chance to register to vote, and hear Obama and Romney debate

Follow Alexandra Le Tellier on Twitter @alexletellier