My comment:
(a) 工作晚宴 (private) working dinner
(b) Herbie Hancock
http://en.wikipedia.org/wiki/Herbie_Hancock
(Herbert Jeffrey "Herbie" Hancock; 1940- ; As a member of Soka Gakkai, Hancock is an adherent of the Nichiren school of Mahayana Buddhism 大乘佛教)
(i) Sōka Gakkai
http://en.wikipedia.org/wiki/S%C5%8Dka_Gakkai
(創価学会; Founded by educator Tsunesaburo MAKIGUCHI 牧口 常三郎 in 1930, the organization was suppressed during World War II for its opposition to government-supported State Shinto. He along with Josei Toda and other top Soka Gakkai leaders were arrested in 1943 and charged as "thought criminals")
(ii) Nichiren Buddhism
http://en.wikipedia.org/wiki/Nichiren_Buddhism
(based on the teachings of the 13th century Japanese monk Nichiren 日蓮 (1222–1282)
(c) Regarding quotation 3.
(i) The blue flag is from Uighurs.
Uighuristan (Islamic Republic of East Turkestan) [China]
http://flagspot.net/flags/cn-islam.html
("The flag of the 'Republic of Uighuristan' was also said to be like the Turkish flag, with a blue background instead of red")
Compare with flag of
Turkey
http://en.wikipedia.org/wiki/Turkey
(ii) Supporters of Pres. Hu and those of Tibet and Xinjinag did not always co-mingle. See the second photo in
胡锦涛对美中商界发表政策演说
http://www.voanews.com/chinese/news/20110120-US-CHINA-BUSINESS-114307789.html
(photo caption: 场外支持者与抗议者隔街对峙)
------------------------------------Separately
(1) 中国官媒避谈胡锦涛人权问题答问. VOA Chinese, Jan 21, 2011.
http://www.voanews.com/chinese/news/20110121_Hu_response-114353804.html
(2) 胡锦涛访美重申核心利益. VOA Chinese, Jan 21, 2011.
http://www.voanews.com/chinese/news/20110121_Hu_Visiting_USA-114354189.html
(3) 美议员在国会同胡锦涛谈到多项议题. VOA Chinese, Jan 20, 2011.
http://www.voanews.com/chinese/news/20110120-Hu-met-with-Congressional-leaders-114313054.html
(6) 日本当局决定不起诉詹其雄. BBC Chinese, Jan 20, 2011.
http://www.bbc.co.uk/zhongwen/simp/china/2011/01/110121_japan_china_decision.shtml
("而承认泄露渔船与巡逻艇擦撞录像的前海上保安厅官员一色正春也获得免予起诉处分")