As word spread on Martha’s Vineyard Wednesday that a group of migrants had been flown to the island unannounced, and there was no organized plan to care for them, Tim Dobel felt like there wasn’t much that he could do. The sudden need to find shelter and medical care — not to mention the politics that fueled the decision to drop them on his community’s lap — were well beyond his control. But at the very least, he and the staff at Mocha Mott’s in Vineyard Haven could make sure they had a hot cup of coffee to keep them...