On his Thursday radio show, conservative talker Rush Limbaugh hit back at those criticizing GOP presidential front-runner Donald Trump for challenging his opponent, former Gov. Jeb Bush (R-FL), for not speaking English to a press gaggle earlier this week. Limbaugh argued that such criticism aimed at Trump signifies an effort to dilute what it means to be an American. “[T]here is no assimilation,” Limbaugh said. “There is no melding, or melting pot if you will. There is a purposeful balkanization going on brought to you by the modern-day Democrat Party and specifically Barack Hussein O. You have Mexican-Americans. You have Hispanic-Americans. We have gay Americans. We have LGBT Americans. We have Muslim-Americans. ‘Americans’ is always second. The ethnicity is always number one and the modern-day Democratic Party wants it that way because they think America needs to be punished because we’ve been too big for our britches. We’ve been too