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VIDEO: First Read Minute: Mark-up time

NBC's Mark Murray and Domenico Montanaro look at immigration reform being considered in a congressional committee, as well as the special election in the Charleston-area district that features former Gov. Mark Sanford (R), trying to make a political comeback, against Democrat Elizabeth Colbert Busch, sister of comedian Stephen Colbert.

Edited by NBC's Domenico Montanaro.