Florida Republican David Jolly has been sworn in as the newest member of the House.

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Speaker John Boehner administered the oath on Thursday. It was two days after Jolly edged out Democrat Alex Sink in a special election that Republicans cast as a referendum on the president and his unpopular health care law. The Tampa-area district had been considered a tossup.

Jolly fills the open seat that had been held by Republican C.W. Bill Young for decades. Young died in October.

The 41-year-old Jolly has a lot of experience in Washington, first as an aide to Young and then as a lobbyist.

Republicans now hold 233 seats in the House to the Democrats' 199. There are three vacancies.