. >> reporter: based in philadelphia, the nonprofit has a team of six staffers, led by eugene kylie. on this day, we found him fact checking a ted cruz tv ad. >> it's not true. i'm trying to piece together the information i need to show here's what really happened. >> reporter: the team posted its analysis the next day. but even fact checkers are not all-knowing. just this week, politifact revised a headline after pushback from a presidential campaign, writing its original wording should have been more precise. kylie says the sheer number of candidates and claims this cycle has been overwhelming. >> more of the same. >> reporter: that's not good. >> it's good for us in terms of being able to provide information to the public. >> reporter: mark albert, washington. >>> the "cbs overnight news" will be right back. ,, ,, ,, ,, ,, >>> at ground zero in new york city, a new multibillion transportation hub is open for business. some call it the most beautiful train station in the world. others insist it's a horrible waste of money. it's called occulace. 15,000 tons of steel reaching 25 stor

. >> reporter: based in philadelphia, the nonprofit has a team of six staffers, led by eugene kylie. on this day, we found him fact checking a ted cruz tv ad. >> it's not true. i'm trying to piece together the information i need to show here's what really happened. >> reporter: the team posted its analysis the next day. all-knowing. just this week, politifact revised a headline after pushback from a presidential campaign, writing its original wording should have been more precise. kylie says the sheer number of candidates and claims this cycle has been overwhelming. what is 2016 going to be? >> reporter: that's not good. >> it's good for us in terms of being able to provide information to the public. >> reporter: mark albert, washington. >>> the "cbs overnight news" [announcer] ah, fresh florida pan roasted vegetable medley served with sirloin steak. the sizzling sound of fresh florida vegetables mingling together; saut\ zucchini, squash, bell peppers, and tomatoes in golden olive oil. garnish with fresh parsley and serve with juicy sirloin steak. that's how easily pan roasted florid

. >> reporter: based in philadelphia, the nonprofit has a team of six staffers, led by eugene kylie. on this day, we found him fact checking a ted cruz tv ad. >> it's not true. i'm trying to piece together the information i need to show here's what really happened. analysis the next day. but even fact checkers are not all-knowing. just this week, politifact revised a headline after pushback from a presidential campaign, writing its original wording should have been more precise. kylie says the sheer number of candidates and claims this cycle has been overwhelming. what is 2016 going to be? >> more of the same. >> reporter: that's not good. >> it's good for us in terms of being able to provide information to the public. >> reporter: mark albert, washington. will be right back. >>> at ground zero in new york city, a new multibillion transportation hub is open for business. some call it the most beautiful train station in the world. waste of money. it's called occulace. 15,000 tons of steel reaching 25 stories tall. the famed architect designed it to resemble a bird rising, the archways

. >> reporter: based in philadelphia, the nonprofit has a team of six staffers, led by eugene kylie. on this day, we found him fact checking a ted cruz tv ad. >> it's not true. i'm trying to piece together the information i need to show here's what really happened. >> reporter: the team posted its analysis the next day. but even fact checkers are not all-knowing. just this week, politifact revised a headline after pushback from a presidential campaign, writing its original wording should have been more precise. kylie says the sheer number of has been overwhelming. i think your site calling 2015 a banner year for political whoppers. what is 2016 going to be? >> more of the same. >> reporter: that's not good. >> it's good for us in terms of being able to provide information to the public. >> reporter: mark albert, washington. >>> the "cbs overnight news" >>> the grand old party establishment fights back. >> donald trump is a phony, a fraud. watch, by the way, how he responds to my speech today. >> we did. >> mitt is a failed candidate. >>> also tonight, our correspondents give us a rar