Story highlights The former president made an argument that the stakes in the party nominating race and the general election were simple but profound

The Clinton campaign is trying to build on a streak of good fortune which has helped revive the former secretary of state's bid

Des Moines, Iowa (CNN) The explainer-in-chief is back.

Bill Clinton made his first public campaign trail appearance for his wife's 2016 campaign on Saturday, spelling out why she is ready for the White House.

The former president, rallying Hillary Clinton supporters before Iowa's big annual Democratic dinner, and acting as a warm-up act for pop diva Katy Perry, made an argument that the stakes in the party nominating race and the general election were simple but profound.

He said that as president, his wife would stop bad things happening in national security, make more good things happen at home and abroad and secure and broaden the economic recovery forged by President Barack Obama.

"The American people in the last six weeks have learned a lot about lot about Hillary, what she is for, why she is running and what kind of president she would be," Clinton said in an open-air rally here.

Read More