Republican candidate highlights image as difficult ideologue as he leads race in Iowa, with supporters seeing the Texas senator as a party 'renegade' Mechanicsville, Virginia - Ted Cruz's reputation as an arrogant, grating, in-your-face ideologue has dogged him throughout the Republican presidential race. But it hasn't stopped the Texas senator's rise in the polls. Cruz, who leads in Iowa and leads the pack chasing Donald Trump elsewhere, is increasingly embracing his irascible persona, trying to turn what could be a liability into an asset....