On Tuesday, right after I signed the bill, I met David Gallagher, whose daughter Lauren had written me a letter last year.

WHITEHOUSE: President Obama Speaks about Health Reform in Iowa City

Gallagher's withdrawal clears the way for Rep. Bill McCollum to take the GOP nomination.

CNN: Florida Republican drops Senate bid, clearing way for McCollum

Polls indicate the more moderate Gallagher would fare better in the general election against the likely Democratic nominee, Bill Nelson.

CNN: Florida Republican drops Senate bid, clearing way for McCollum