Original sentence: According to the Southern Poverty Law Center, which monitors hate groups, Allsup's intentions have been to achieve his white nationalist anti-immigration agenda "through the infiltration of the Republican Party rather than by the radical, revolutionary action favored by vanguardist groups on the extreme fringe
Edited sentence: According to the Southern Poverty Law Center, which monitors hate groups, Allsup's intentions have been to achieve his agenda "through the infiltration of the Republican Party rather than by the radical, revolutionary action favored by vanguardist groups on the extreme fringe