[caption id="attachment_8617" align="alignright" width="298"] Sen. Gillibrand, Sen. Booker, Sen. Paul, and patient advocates at press conference announcing medical marijuana legislation.[/caption] Historic legislation was introduced earlier today in the United States Senate. Sens. Rand Paul (R-KY), Cory Booker (D-NJ), and Kirsten Gillibrand (D-NY)  announced the introduction of the Compassionate Access, Research Expansion, and Respect States (CARERS) Act. This is the first time legislation that would…