For GOP, debate was glimpse of what could have been
For the Republican candidates for president, it was a glimpse of what could have been. Front-runner Donald Trump‘s boycott of the final debate before the Iowa caucuses created space for his rivals to delve more deeply into their differences on immigration, foreign policy and their approach to governing. And for some candidates — former Florida Gov. Jeb Bush in particular — Trump’s absence from the debate stage Thursday night appeared to ease some of the tension created by his sharply…