UPDATED: John Cornyn's rancher tweet among many claims about border conditions

John Cornyn’s disputed claim about hundreds of people nightly crossing a Texas ranch hasn't been confirmed. Other border claims have.

By W. Gardner Selby :: Published on Wednesday, March 6th, 2013 at 08:41 a.m.

Mailbag: "Do you even check your own facts?"

Our checks of claims by Lamar Smith and Lawrence O'Donnell drew emails from readers. Let's sample the mailbag.

By W. Gardner Selby :: Published on Thursday, March 15th, 2012 at 08:38 a.m.

Fact-checking Obama and others on border claims

President Barack Obama made some testable claims during Tuesday's immigration policy speech in El Paso. But PolitiFact has previously checked numerous border-related statements.

By :: Published on Tuesday, May 10th, 2011 at 12:08 p.m.

"Is your organization Mostly Liberal?"

Readers tell us how they would have rated certain statements.

By Ciara O'Rourke :: Published on Friday, January 21st, 2011 at 03:46 p.m.

Passports, please

Whether it's justifying or attacking Arizona's immigration law, or making the case for improved security on the Texas-Mexico border, elected officials have kept us busy checking claims about violence on our southern border.

By :: Published on Tuesday, October 5th, 2010 at 12:00 p.m.

When in-your-face is off-the-air

ABC refused opposing ads during Obama's town hall on health care. We explain why.

By Angie Drobnic Holan :: Published on Tuesday, June 30th, 2009 at 05:26 p.m.