He has conceded the primary, will not seek a recount, and has endorsed Kelly Ayotte (video here). Ayotte has accepted the concession with equal grace and politeness, calling Lamontagne a gentleman and a principled conservative (H/T: Hot Air). From now on, it's all about defeating Paul Hodes in the general election.
Would that more politicians acted this properly when they lose a primary. Michael Castle and Lisa Murkowski, I'm looking at you.
PS: Jeanne Shaheen will be up for re-election in four years. This is not that far off in time, and I hope that NH conservatives will remember this dignified end to the 2010 campaign, if it turns out to be relevant to the one in 2014...
Crossposted to Moe Lane.