Culberson's sway over Metro plans may be diluted A Lampson appointment to key House panel could affect rail project Last throws U.S. Rep. John Culberson easily won re-election, but his party lost the House, which means the Houston Republican could lose some of the committee influence that has made him a force to be reckoned with in Metro's transit plans. But local House Democrats said it is virtually certain Culberson will keep his seat on a subcommittee of the House Appropriations Committee that authorizes transit funds and will continue to have a strong say on projects in his district. His...