Palin was asked if Clinton would be more electable due to daughter's pregnancy.
This is the latest move for the potential 2016 contender.
Several candidates are in a statistical dead heat, according to CNN's poll.
The senator, 53, was asked on MSNBC’s "Morning Joe" if he has presidential ambitions.
A slew of May primary battles begin Tuesday as the Republican establishment looks to reassert their control over a divided GOP in a number of states.
Its first big test comes in North Carolina, where business-friendly GOP groups have gone...
“I think America is a place that believes in second chances,” Perry said.
The ex-Fla. governor met with top evangelical leader amid talks of a 2016 presidential run.
Kaine, an early 2008 supporter of Obama, is endorsing Clinton.
With less than a week to go until Election Day, it appears the GOP establishment has helped North Carolina House Speaker Thom Tillis (R) pull away from his primary rivals.
Research from the pro-Hillary Clinton group comes ahead of a Senate vote.