Vice-presidential candidate Gov. Sarah Palin may be in the headlines, but the chatter in the blogosphere remains focused on the presidential candidates, Senators Barack Obama and John McCain, according to Nielsen Online.
Online Buzz
An analysis by Nielsen of the online discussions around more than 30 speakers at the Democratic and Republican conventions showed Obama leading McCain, followed by Palin and Sen. Hillary Clinton.  Vice-presidential candidate, Sen. Joe Biden, rounded out the top five most buzzworthy politicians.

Rank
Speaker
Index

1
Barack Obama
100

2
John McCain
97

3
Sarah Palin
80

4
Hillary Clinton
33

5
Joe Biden
26

6
George W. Bush
12

7
Michelle Obama
12

8
Bill Clinton
11

9
Cindy McCain
5

10
Ted Kennedy
5

11
Nancy Pelosi
4

12
Mitt Romney
4

13
Al Gore
4

14
Joe Lieberman
4

15
Rudy Giuliani
3

16
Fred Thompson
3

17
Mike …