Bush says US "will do its part" to curb climate change; Pfizer faces $8.5 billion suit for Nigeria drug test...

1 October :: US pres. George W. Bush has promised in a speech at his climate change conference in Washington, DC, the US "will do its part" to reduce greenhouse gas emissions, reduce risk of dangers caused by human-induced climate change; critics continue to say his approach is designed to postpone any comprehensive global regime limiting carbon emissions... Fmr US House Speaker Gingrich says he will not run for president because campaign finance laws would bar him from having any contact with a political organization he founded, says "The McCain-Feingold Act criminalizes politics"; on prospective rivals, ABC quotes him as saying of Hillary Clinton, "I believe she is very professional. I think the Clinton machine is the most powerful political machine in modern America. I think her husband is the smartest politician in our generation"... Pfizer facing $8.5 billion lawsuit by Nigerian gov't, Nigerian state of Kano, which allege the company tested a drug on meningitis patients without their permission, leading to at least 11 deaths, during 1996 outbreak... Putin may seek premiership after term limits end his tenure as president of the Russian Federation; he has said he would accept the post of PM on two conditions: that his party win the parliamentary elections, and that his successor as president be a "respectable, capable, effective and modern person whom I could work with as a team"... Yuliya Tymoshenko, fmr ally and PM to Ukrainian pres. Viktor Yuschenko, leads opponents 32.59% to 31.62%, appears poised to form coalition to take control of parliament, despite rival pro-Russia party spending $400 million to return Yanukovich to premiership; some observers predict "rift" between fmr Orange Revolution allies so deep Pres. Yuschenko could offer arch-foe Yanukovich coalition and premiership by year's end...