Coordinated shootings and bombings in Paris, Trump ups rhetoric against GOP rivals, the third GOP debate reveals divides within the party, and the second Democratic debate approaches with Hillary Clinton maintaining her lead.
As Marco Rubio settles into his new role as a rising top-tier candidate, most of his opponents in the Republican presidential race are showing a reluctance and even an unwillingness to engage him directly on the national stage.
"There is nothing like a genuine crisis to put a political election in context. I do not have the answers, but the shocking Paris attacks have certainly given voters a reasonable list of questions to ask the 17 presidential candidates still eligible to return to debate stages in December."
Gwen Ifill is moderator and managing editor of "Washington Week" and co-anchor and managing editor of the "PBS NewsHour." The best-selling author of "The Breakthrough: Politics and Race in the Age of Obama," Gwen has covered seven presidential campaigns and moderated two vice presidential debates.