(OXON HILL, Md.) — President Donald Trump’s vice president and top aides delivered one overriding message Thursday to the thousands of conservative activists gathered for their annual conference outside of Washington: Don’t blow it. Speaking at the Conservative Political Action Conference, Vice President Mike Pence said Trump’s victory provided the nation with what could be a once-in-a-lifetime opportunity to install conservative solutions to the nation’s problems. “This is the chance we’ve worked so hard, for so long, to see.