Paul brings in 16 percent of the vote among Republicans and Republican-leaning independents.
Perry said Kentucky race and midterms are "inextricably intertwined" with country's future.
He said Rep. David Jolly's (R-Fla.) win in Florida's special congressional election is proof.
His decision to explore a Senate run has implications beyond borders of New Hampshire.
Kentucky lawmaker is the top pick of GOP activists gathered in N.H.
The Republican Party plans to roll out the first ever partisan top-level domain name.
Sen. Shaheen asked Brown to sign a pact limiting outside campaign spending.
“The race is close. It will be close," a Michigan pollster said.
The bill easily passed the state House but never got a vote in the state Senate.
Shaheen hopes to limit outside, third-party spending in Senate race.