Sen. John McCain (R-Ariz.) appeared very pleased about a poll released Thursday declaring him the GOP's leading voice.

He tweeted:

The Harris Poll on Jan 7, 2010: John McCain Seen as Most Influential Republican and as Leading Voice of the Party

64 percent of adults replied that McCain is influential. The second-most influential Republicans are conservative talk radio host Rush Limbaugh and former House Speaker Newt Gingrich (R-Ga.). 50 percent of respondents said they are influential.