<?php

/**
 * Blog Intro
 * 
 */
function be_blog_intro() {
  $content = get_post( get_option( 'page_for_posts' ) )->post_content;
  if( $content )
    echo '<div class="blog-intro">' . wpautop( $content ) . '</div>';
}
add_action( 'genesis_before_loop', 'be_blog_intro' );

genesis();