CHICAGO — Donald Trump, the GOP presidential front-runner, postponed his rally Friday night over security concerns after protesters and supporters clashed at the University of Illinois at Chicago.

CHICAGO (WLS) -- Presumptive Republican nominee Donald Trump fundraised in Chicago and held a rally in Indiana with Gov. Mike Pence, one week before the Republican National Convention is set to begin.

From the outset, Donald Trump’s slogan, “Make America Great Again,” has existed in a gray area of acceptability, carrying a whiff of fascistic appeal but also not so different from the generic “Fix ...