"This is about terrorism. This isn't about climate change and deserts and people migrating because it's hot," said Ms. Noonan.
Bernie Sanders, Democratic presidential candidate: Terrorist attacks linked to climate change →
Some conservative activists and leading pundits — including Wall Street Journal columnist Peggy Noonan — have declared Mr. Bush's campaign moribund, saying he hasn't been able to state a reason for his run.
Jeb Bush looks to revive campaign as poll numbers decline →