Jim Messina, a former adviser to President Barack Obama, is warning Donald Trump to quit complaining and start campaigning. Speaking to MSNBC’s Ana Cabrera, Messina sang the praises of the campaign for putting Vice President Kamala Harris “in a bus in western Pennsylvania” so people can get to know her. “People forget that people in North Carolina get their ballots in three weeks. We are in campaign season here, the fact that she and Trump are going to North Carolina this week shows you how this map has expanded since President Biden got out of the race,” he also said. Want more breaking polit…