[caption id="attachment_7881" align="alignright" width="183"] Representative Denny Heck (D-WA)[/caption] The House of Representatives approved an amendment Wednesday that will facilitate marijuana businesses in working with banking institutions, International Business Times reports. The Heck Amendment, named after its sponsor Rep. Denny Heck (D-WA), was approved by a vote of 231-192. The amendment effectively blocks the SEC and Treasury Department from penalizing banks who lend money to legitimate…