It looks now as if the Democrats will lose the House, and they may lose the Senate. In either case, most of the limited progress we have seen will stop. Anti immigrant forces are mobilizing in Arizona and some 20 other states. See Arizona's law SB 1070. The current governor- who was not elected as governor, was well behind in the polls. She polled at less than 40%. Then she began her anti immigrant rants and promoting SB 1070. She now has an over 60% support.
Anti Mexican racism works. Here is how it happened in California in 1994.
"In the Summer of 1993, a failing economy and governmental retrenchment combined to make Governor Pete Wilson the most unpopular governor in recent history. By November of 1994 Wilson won re-election with over 56% of the vote. Two factors combined to deliver victory to Wilson; a mean spirited, divisive, and racist campaign directed against Mexican and Mexican Americans, and an inept campaign by Democratic Candidate Kathleen Brown.
In 1994 The voters of California voted 62% to 38% in favor of Proposition 187, the Save Our State initiative to restrict illegal immigration. A number of groups including FAIR, the Republican Party, and the Perot organization worked together to qualify the initiative.