Meghan Markle and Prince Harry’s three-day “tour” of Nigeria is actually much more than meets the eyes, according to royal experts. “The couple needs positive PR as they are often reminded of their failures,” broadcaster Helena Chard told an outlet. “They also seem to crave power and seek things to elevate themselves. The Invictus Games elevates them in the world of philanthropy, and anything to do with Invictus is a guaranteed great press moment.” “Harry and Meghan will try and achieve as much press and attention as possible,” Chard added. “I would be surprised if they didn’t call in pool cov…