Since endorsing Obama, the talk show host's popularity has fallen among Republicans while the former vice president now rivals Obama and tops Clinton in favorability.
Fully 72% of the public - including comparable percentages of Democrats, Republicans and independents - say that journalists should not be anointing Obama as the Democratic nominee at this stage in the race.
In a campaign with more twists than a Twilight Zone episode, the media all but officially pronounced Obama the Democratic nominee last week.
While Barack Obama's appeal to the young coincides with their increasing Democratic alignment, older voters do not show the greater allegiance to the GOP that might explain their relative reluctance to support him.
While the outcome of the North Carolina primary fit into a racial pattern observed in earlier primaries this year, Clinton’s showing in Indiana was less strong than would have been expected.
Not a moment too soon, party insiders and state election officials are in informal talks to improve procedures for the next contest for the White House.
Barack Obama's slipping support for the Democratic nomination reflects a modest decline in his personal image rather than improved impressions of Hillary Clinton. Both retain advantage over McCain as economy tops public's concerns.
In four separate surveys conducted since March 20, when asked about each of the Democratic candidates, between 25%-31% of the public has said their opinions have recently become less favorable.
Hillary Clinton won the Catholic vote in Pennsylvania's Democratic primary by more than a two-to-one margin, repeating a pattern among religious voters similar to those seen in other states. Does this have implications for the May 6 contests in Indiana and North Carolina?
Barack Obama's 'bitter' comment registered widely but just 29% of Americans say they paid very close attention to news about the presidential campaign last week, the lowest percentage recorded since December 2007.