Husband Mark Kelly reports lots of progress for Giffords

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Signs of improvement from Congresswoman Gabrielle Giffords, now in her second week of rehab in Houston.

In a twitter message overnight, her husband Mark Kelly wrote, "Today was a huge day for GG.  Lots of progress!"

GG is of course Giffords' initials.

Giffords was shot in the head nearly one month ago in at a public event outside the Safeway supermarket on Oracle and Ina.