Poll: Romney and Clinton maintain lead

LAC0NIA, N.H. -- A new poll released today of likely New Hampshire Primary voters shows Republican Mitt Romney and Democrat Hillary Clinton winning the presidential race among their respective political parties.

The Manchester-based American Research Group shows Romney with a 27 percent support, over rivals John McCain with 21 percent and Rudy Giuliani at 19 percent. Fred Thompson, who is expected to formally enter the race later this month, had 10 percent.

For Democrats, Clinton held a steady at 34 percent since the last poll taken in May. Barack Obama was in second place with 25 percent, picking up 10 points since the last poll. John Edwards slipped to 11 percent.

All other candidates were in single digits.

The poll was taken June 27-30 of 600 likely New Hampshire voters. The margin of error was 4 percent.