Republican reversal on science, energy, puts US at disadvantage

Congressman Rush Holt of New Jersey, a nuclear physicist who beat IBM's computer at Jeopardy, talks with Rachel Maddow about the difficulty of the US addressing the causes and consequences of global climate change when Republicans are so opposed to helping they're actually working against their own ideas, all while American underinvestment in technology worsens the competitive disadvantage the US faces among developed nations.March 13, 2013