republican congressman pete sessions district will be even more red. we ve by and large entered a period of time where republicans want to be represented by republicans and democrats want to be represented by democrats. the fact that there are so many more safe seats, republican and democrat, in congress, does that make things more partisan here? it makes things to where the person that represents those districts more hardened in their belief. reporter: texas democrat sheila jackson lee says when she first came to congress three decades ago, the first legislation she worked on was bipartisan. we didn t know any better. we thought we had to work together. even though there might have been one or two who would make those speeches on the floor of the house that everyone would look up, the majority felt that our work was to work together. i think we have an obligation that we should not let redistricting change america.
redistricting change america. has it? i think it has. how long can people enjoy having difficulty in getting good work done? reporter: since the 2010 census, texas has gained nearly 4 million new people and will get two new congressional seats. a big democratic criticism of the new texas gop-drawn map is that 95% of the new population is minority and the two new seats were drawn for republicans. growth in this country and especially in this area is not anglo, it is a mixture of minorities, and that should be reflected in the representation and it is not. reporter: texas democrat eddie bernice johnson is retiring after 30 years in the house and says gerrymandering is hardly new, it s become more extreme. when these lines started being drawn with the help of computers, where they can be so