CREATE TABLE table_45522 ("Poll Source" TEXT, "Dates administered" TEXT, "Democrat: Tom Harkin" TEXT, "Republican: Christopher Reed" TEXT, "Lead Margin" FLOAT)

What was Democrat: Tom Harkin's percentage when the poll source was Rasmussen Reports and the lead margin was 14?
SELECT "Democrat: Tom Harkin" FROM table_45522 WHERE "Poll Source" = 'rasmussen reports' AND "Lead Margin" = '14'
SELECT "Democrat: Tom Harkin" FROM "table_45522" WHERE "Lead Margin" = '14' AND "Poll Source" = 'rasmussen reports'