Former Arkansas governor Mike Huckabee has taken the lead in the Iowa polls and has jumped nationally. But without more money, it may be hard to sustain a lead. “A lack of fundraising may yet hurt the candidate, especially on Feb. 5, when more than 20 states, including California and New York, will vote for a nominee. ‘That’s where having the dollars to do targeted advertising is particularly important,’ said Tony Corrado, a campaign-finance expert and professor of government at Colby College in Waterville, Maine. ‘He won’t be able to rely on momentum.'”