If Viserys had been kept in the loop about the marriage pact with Arianne, if he lands in Dorne after Robert’s death will he receive significant support outside of Dorne? The Tyrells and some stormlords have Renly, Stannis is stuck with the lords of the Narrow Sea and perhaps some stormlords, the North, Iron Islands, and the riverlands are secessionist, the Vale is isolationist, and the westerlands are for Joffrey. Is there any scenario where the secret master Doran plan amounts to something?