AMES, Iowa (AP) — Rick Perry is attacking Donald Trump’s credibility and branding the billionaire businessman “a cancer on conservatism.” Rick Santorum, a conservative stalwart, popped up on a TV program popular with liberals. Lindsey Graham set his cellphone on fire.

With the first debate of the Republican presidential campaign approaching, the White House hopefuls are trying everything they can to improve their polling position. A candidate needs to place in the top 10 in an average of national polls to meet the criteria Fox News Channel has set to take the stage Aug. 6 in Cleveland.

Source: Republican White House Hopefuls Trying Everything to Make Debate Cut | RealClearPolitics