After a life spent on the political sidelines, Randy Brinson said he is ready to suit up and take the field.

"I got so disillusioned with people we've helped and then they change," said Brinson, a Montgomery gastroenterologist who is also the president of the Christian Coalition of Alabama. Now he is one of 10 GOP candidates for the U.S. Senate seat vacated by Jeff Sessions.

Brinson pointed to the conviction of former Alabama Speaker of the House Mike Hubbard, the resignation of embattled Gov. Robert Bentley and the removal of Alabama Supreme Court Chief Justice Roy Moore: "This is not the way government is supposed to be run," he said.