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Morning Maddow: October 29

Morning headlines: gay marriage fight in Hawaii, FreedomWorks endorses a controversial Senate primary challenger, the U.N. takes on killer asteroids.

FreedomWorks endorses a senate primary challenger who spoke at a neo-confederate conference. (TPM)

Day 1 of the fight in Hawaii over marriage equality. (AP)

Trayvon Martin's mom testifies at a Senate Stand Your Ground hearing today. (AP)

Why flags will be half-staff today. (Washington Post)

Western states and a Canadian province sign a climate-change pact. (McClatchy)

The National Portrait Gallery honors the first four female Supreme Court Justices. (USA Today)

Why weapons inspectors in Syria missed their deadline. (NY Mag)

The United Nations vs. killer asteroids. (National Journal)