Arizona Rep. Gabby Giffords took to the House floor Wednesday one last time to say good-bye, for now, to her colleagues. It was an emotional scene as she handed in her resignation, a little more than a year after being gravely injured in an assassination attempt.
In a wide-ranging discussion with All Things Considered's Robert Siegel, Ron Paul, the Republican congressman from Texas, said of all the GOP hopefuls, he's been the steady one.
"All I know is that the message is powerful," he said in response to a question about the viability of his campaign. "The message is well-received. Our numbers are growing, and we don't go up and down like a yo-yo."