Republican debate: top-tier candidates seek to reclaim momentum from Trump | US news | The Guardian

As Republicans take the stage for the second US presidential debate of the 2016 race in Simi Valley, California, on Wednesday, Donald Trump’s commanding lead over the field will once again place the bombastic real estate mogul front and center.

But even as support for Trump has only strengthened ahead of round two, a number of top-tier candidates will be looking to recapture some of the momentum after a sluggish summer dominated by outsiders.

While a glance at polling conducted in recent weeks might reflect Trump as formidable or retired neurosurgeon Ben Carson as on the rise, political observers have longed viewed the race for the Republican nomination as a battle predominantly between a triumvirate of candidates: former Florida governor Jeb Bush, Florida senator Marco Rubio and Wisconsin governor Scott Walker

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