1 3 , ▁Brown ▁joined ▁the ▁advis ory ▁board ▁of ▁Air tr onic ▁USA / Global ▁Digital ▁Sol utions , ▁a ▁wireless ▁communic ations ▁and ▁small ▁arms ▁manufact urer ▁and ▁exp orter . ▁ ▁In ▁early ▁February ▁ 2 0 1 4 , ▁Brown ' s ▁email ▁list ▁was ▁used ▁to ▁promote ▁" a ▁video ▁from ▁a ▁doctor ▁warning ▁against ▁flu ▁v acc ines , ▁flu or id ated ▁water , ▁and ▁excess ive ▁exer cis ing , ▁among ▁other ▁question able ▁medical ▁claims ." ▁ ▁The ▁email ▁generated ▁news ▁coverage . ▁ ▁Brown ▁subsequently ▁cut ▁t ies ▁with ▁the ▁vendor ▁that ▁sent ▁the ▁email . ▁ ▁On ▁March ▁ 1 3 , ▁ 2 0 1 4 , ▁Brown ▁began ▁seeking ▁campaign ▁staff ▁while ▁ag gress ively ▁cour ting ▁New ▁Ham pshire ' s ▁political ▁el ite , ▁mark ing ▁what ▁local ▁Republic ans ▁considered ▁serious ▁steps ▁toward ▁launch ing ▁a ▁Senate ▁campaign ▁against ▁Democratic ▁Senator ▁Jean ne ▁Sh a he en . ▁ ▁On ▁April ▁ 2 , ▁ 2 0 1 4 , ▁a ▁local ▁New ▁Ham pshire ▁station ▁reported ▁that ▁Brown ▁" conf ir med ▁and ▁announced ▁on ▁N H ▁Today ▁that ▁he ▁is ▁running ▁for ▁the ▁US ▁Senate ▁in ▁N H " ▁against ▁Democratic ▁Inc umb ent ▁Jean ne ▁Sh a he en , ▁and ▁would ▁announ ce ▁the ▁next ▁week . ▁ ▁Sub sequ ent ▁activity ▁ ▁Brown ▁had ▁stated ▁that ▁win ▁or ▁lose ▁in ▁his ▁ 2 0 1 4 ▁New ▁Ham pshire ▁Sen atorial ▁bid