Republican presidential candidate Donald Trump commented on rival Ted Cruz changing his stance on illegal immigration in an interview with CNNs Anderson .br Donald Trump, calls ,Ted Cruz, a nervous, wreck Republican, presidential, candidate, Donald Trump, commented, on rival, Ted Cruz ,changing his, stance on, .br See more on Fox News Insider: br After getting into it with Marco Rubio and Jeb Bush, Donald Trump and Ted Cruz set their sights on eatch other, with Cruz bashing Trump for flip-flopping and .