Donald Trump’s campaign is trying to focus this week on national security, military and veterans issues. But, lingering questions on Trump’s shifting immigration policies continue to steal the spotlight. Trump campaigned today in Virginia with Retired Lieutenant General Michael Flynn. His running mate Mike Pence campaigned in Missouri. A new CNN poll shows Trump and Democratic rival Hillary Clinton on essentially even ground. The poll of likely voters showed 45% of those surveyed backed Trump, compared to 43% for Clinton.