CONCORD, N.H. (AP) - A top adviser to Hillary Rodham Clinton's campaign said Wednesday that Democrats should give more thought to Sen. Barack Obama's admissions of illegal drug use before they pick a presidential candidate. Obama's campaign said the Clinton people were getting desperate. Clinton's campaign tried to distance itself from the remarks. Bill Shaheen, a national co-chairman of Clinton's front-runner campaign, raised the issue during an interview with The Washington Post, posted on washingtonpost.com. Shaheen, an attorney and veteran organizer, said much of Obama's background is unknown and could be a problem in November 2008 if he is the...