The former president remains popular among Republicans. During his appearances on various Sunday morning political shows, Donald Trump backtracked on some comments he made about former president George W. Bush during the Republican debate the previous night. Trump, as he has done multiple times throughout this presidential race, invoked the Iraq War as a way to criticize Jeb Bush for his brother’s actions. “The World Trade Center came down during your brother’s reign, remember that,†Trump told Jeb, eliciting boos from the audience. Then regarding former president Bush starting the unpopular Iraq war, he said, “They lied. They said there...