WASHINGTON (CNN) -- There is an increasing threat of homegrown terror stemming from segments of a deeply isolated and alienated Somali-American community, a U.S. Senate committee hearing concluded Wednesday. The hearing, conducted by the Senate Homeland and Governmental Affairs Committee, focused on the attempted recruitment of young Somali-American men by al-Shabaab, "a violent and brutal extremist (Somali) group" with significant ties to al Qaeda, according to the U.S. State Department. "Over the last two years, individuals from the Somali community in the United States, including American citizens, have left for Somalia to support and in some cases fight on behalf...