HARARE – There are growing fears within Zanu PF that #ThisFlag campaign by cleric Evan Mawarire could incite long-suffering Zimbabweans to revolt Arab Spring-style, and spell the end of President Robert Mugabe’s 36-year-old rule. Apparently petrified of falling in the way regimes in the Arab world were dethroned, Zanu PF has launched its counter #OurFlag…