Trump blasted Clinton's previous support for trade deals such as NAFTA and the TPP.
The two Florida Democrats are in a primary battle for the Senate.
"Of that there's no doubt," the United Kingdom Independence Party leader said.
"I do not tell them what to do, I never have," he said.
Trump will speak in Monessen, Pa.
"They basically hid the report from us," Rep. Elijah Cummings (D-Md.) said of Republicans.
"Now's the time to go after him," she said.
Jonathan Easley 06/28/16 12:20 PM EDT
She has the edge in Pennsylvania, Ohio, New Hampshire, Wisconsin and Iowa.
"This picture says it all!" Michael Cohen tweets.
Dave Brat called Gingrich "savvy," "forward-looking" and "always ahead of the curve."