Arab communities on both sides of the border grapple with ongoing tensions as US-Canada relations continue to sourIn Dearborn, Michigan, home to the largest community of Arab Americans in the US, one industry has risen above all others in recent years: Yemeni cafes.At the forefront is Qahwah House, a powerhouse in the burgeoning Yemeni cafe world with 32 branches open across the country. Three of those are here in Dearborn, with more on the way, and they attract people from near and far. Continu