The chair of the top U.S. agency in Taiwan vowed Washington's "rock solid" commitment to aiding the self-defense capacity of the democratic island during a banquet attended by Taiwan's Vice President Lai Ching-te Wednesday near San Francisco.Laura Rosenberger, U.S.-based head of the American Institute in Taiwan, said the self-ruled island is "a crucial partner in U.S. efforts to maintain global peace and stability, including in the Taiwan Strait," adding that preserving stability is a core tenet of her nation's long-standing cross-strait policy.AIT, headquartered in Virginia just outside th…READ FULL ARTICLE