Jeb Bush, right, and Donald Trump at the Republican presidential debate hosted by Fox News in Cleveland, Aug. 6, 2015. After failing to directly confront Trump in the first debate, Bush and his aides are under pressure to create a memorable showdown Wednesday to match a newly aggressive tone on the campaign trail.
Jeb Bush, right, and Donald Trump at the Republican presidential debate hosted by Fox News in Cleveland, Aug. 6, 2015. After failing to directly confront Trump in the first debate, Bush and his aides are under pressure to create a memorable showdown Wednesday to match a newly aggressive tone on the campaign trail. DOUG MILLS The New York Times
Jeb Bush, right, and Donald Trump at the Republican presidential debate hosted by Fox News in Cleveland, Aug. 6, 2015. After failing to directly confront Trump in the first debate, Bush and his aides are under pressure to create a memorable showdown Wednesday to match a newly aggressive tone on the campaign trail. DOUG MILLS The New York Times

GOP debate: Another Trump show or will a new star emerge?

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