Reacting to the surging popularity of Vice President Kamala Harris and a series of unforced errors by Donald Trump, one Republican Party strategist warned it looks like the former president is tanking his chances of being re-elected. In a column for the Charlotte Observer, South Carolina-based Matt Wylie wrote that Harris has given the former president every chance to derail her fledgling campaign but he can’t seem to stop himself from following his worst instincts. As he explained, “Trump, who sought to regain momentum at a Thursday news conference at Mar-a-Lago, seems to be blowing up his ow…