Immigration Protesters Interrupt Rick Perry

Video: Protesters jump into action at the Iowa Freedom Summit.

Demonstrators hold up signs as Rick Perry, former governor of Texas, unseen, speaks at the Iowa Freedom Summit in Des Moines, Iowa, U.S., on Saturday, Jan. 24, 2015. 

Photographer: Daniel Acker/Bloomberg

DES MOINES, Iowa—The 13 protesters had arrived at the start of the Iowa Freedom Summit, and waited until the right moment came to challenge Republicans. To some surprise, they waited most of the day, even as several Republicans including Iowa Representative Steve King talked in general terms about immigration.

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