Polls of the Week: April 20

President Obama and Mitt Romney are statistically tied — for now. According to the findings of a CNN poll of polls published April 18, 47 percent of registered voters support Obama while 45 percent back his presumptive rival Mitt Romney. The survey averaged the results of polls from CBS News/New York Times (conducted April 13-17), Gallup's daily tracking poll (conducted April 12-16), CNN/ORC International (April 13-15) and Reuters/Ipsos (April 12-15).

(Photos from left: Marc Serota/Getty Images, Chip Somodevilla/Getty Images)