113th Congress In Massachusetts delegation, a changing of the guard ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page EPA Elizabeth Warren, with husband Bruce Mann and Vice President Joe Biden, at a reenactment of her swearing-in today. AP Joseph Kennedy III, who is replacing Barney Frank as the representative for Mass. House District 4, smiled before his swearing-in. EPA Minority Leader Nancy Pelosi and Speaker John Boehner were reelected to their leadership posts. Getty Images The 113th Congress was sworn in. AP Mark Kirk, center, of Illinois, returned to the Senate after suffering a stroke. AP Joseph Kennedy III, accompanied by his father, Joseph Kennedy II, smiled before his swearing-in.