<div class="jwplayer"><!-- wp:shortcode -->[jwp-video n="1"]<!-- /wp:shortcode --></div><p class="p1"><span class="s1">Senate Historian Donald Ritchie, in a 2010 exclusive interview with CQ Roll Call, discuses how a shift in the two political parties impacted the Senate over time.</span></p><div id="cqrcPostAdditional"></div>
