The mass shooting at an elementary school in Newtown, Connecticut has spawned widespread calls for gun control, and widespread opposition as well. From the White House, President Barack Obama called for “meaningful action” to prevent such shootings but didn’t say what it should be.

While President Barack Obama signaled a desire for action, a White House spokesman said this isn’t the day for a discussion on gun control. Jay Carney’s response came after a reporter’s questions on the issue, and Obama’s campaign promises on gun control, in the aftermath of the shootings that claimed the lives of 27 people, including 20 school children, ages five to ten.

Hundreds of gun-control supporters gathered outside of the White House Friday in the aftermath of the shootings. Others were signing a petition, posted on the White House website, that demanded action.

One White House poll urges “a gun in every classroom.”    Another urges “strict gun control in the wake of the CT school massacre.”

Missouri Senator Roy Blunt has opposed gun-control bills in the past. Senator Blunt said Friday “I am shocked by this incredible tragedy, and I hope all Americans will join me in praying for the victims and their families after this horrific and senseless act of violence.”

Senator Claire McCaskill has a mixed record on gun control issues, including voting against allowing firearms on checked baggage on Amtrak trains, and voting for a measure that prohibited foreign and UN aid that restricts US gun ownership. McCaskill released the following statement Friday: “I’m stunned and sick to my stomach. And as a mother, I’m horrified. All of America is grieving for these children and their families. As we learn more, my prayers are with the students and staff at Sandy Hook Elementary, and with their families.”

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