In a new American Research Group poll for the first three primary states, John McCain and John Edwards are up, Rudy Giuliani is in third in New Hampshire and Barack Obama is holding steady though trailing in all three.

Here are the numbers (April 26-30):

Democrats - Iowa
Edwards: 27
Clinton: 23
Obama: 19
Biden: 6
Richardson: 5

Democrats - New Hampshire
Clinton: 37
Edwards: 26
Obama: 14
Richardson: 3
Biden: 2

Democrats - South Carolina
Clinton: 36
Obama: 24
Edwards: 18
Biden: 3
Richardson: 1

In the RCP Average for Iowa, Edwards leads Clinton by 4.8 points (28.8% to 24%) with Obama at 20.3; in and New Hampshire, the RCP Average has Clinton ahead of Edwards by 7.7 points (31% to 23.3%) with Obama at 19%.

Republicans - Iowa
McCain: 26
Giuliani: 19
Romney: 14
F. Thompson: 13
Gingrich: 8

Republicans - New Hampshire
McCain: 29
Romney: 24
Giuliani: 17
F. Thompson: 7
Gingrich: 4

Republicans - South Carolina
McCain: 36
Giuliani: 23
F. Thompson: 10
Romney: 6
Gingrich: 6

In the RCP Average for Iowa, Giuliani edges out McCain by 0.8 points (22.3% to 21.5%), with Romney trailing at 12.5%; and in New Hampshire, the RCP Average has McCain ahead of Romney by 5.7 points (27.7% to 22%), with Giuliani trailing at 21.7%.