Reading Democratic Rep. Thomas R. Caltagirone intends to back Republican John Perzel's bid for Speaker of the Pennsylvania House of Representatives when the 2007-08 legislative session starts Tuesday a move that could give the GOP control of the chamber's leadership.

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Caltagirone will remain a Democrat even though he's backing Perzel for the speaker's post, the letter states.

Democrats were poised to take control of the House for the first time in 12 years.