A Disney executive has caught fire from several anti-gun groups for scheduling a fundraiser at his home for two vulnerable Democratic senators going into the 2014 midterms who voted against a bill last year to expand background checks on gun buyers.

Alan Horn, chairman of the Walt Disney Studios, and Cindy Horn attend the 2014 Oscars, March 2, 2014 in Hollywood, Calif. (Getty Images/George Pimentel)

Walt Disney Studios chairman Alan Horn and his wife Cindy Horn will host a fundraising event for Alaska Sen. Mark Begich and Arkansas Sen. Mark Pryor at their home on Wednesday, the entertainment publication Variety reported.

A letter sent last week to Cindy Horn from several groups pushing for gun control urged the family to cancel the event for Pryor and Begich and to focus their support on other endangered Democrats who supported the universal background check bill that failed in the Democrat-controlled Senate last April.

“When senators from far-flung places come to California to fuel their campaigns, we hope that you will remind them that you’re not their personal ATM,” the letter stated.

Signers to the letter included Margot Bennett, executive director of Women Against Gun Violence; Dallas Stout, president of the California Brady Campaign Chapters; Kaile Shilling of the Violence Prevention Coalition of Los Angeles, and Catherine Stefani, California chapter leader of Moms Demand Action.

The letter specified that Sens. Mary Landrieu (D-La.), Kay Hagan (D-N.C.), Jeanne Shaheen (D-N.H.) and Mark Udall (D-Colo.) should get the family’s financial support instead.

“You have a right to ask why they deserve their support,” the letter said. “In particular, you have every right to ask why they helped a Republican minority defeat a Democratic majority and a Democratic president and vice president who worked their heart out on this chance for reform — which may not come again for years.”

“Is ‘Democrat’ merely a box on a ballot, to be checked at any cost?” the letter said.

In a year since the legislation stalled out, the political landscape has shifted into one that seems much more difficult for Democrats, with a challenge to raise money to match an expected onslaught from the right.

Contribution levels to the event reportedly start at $2,000 per person and go to a maximum of $10,400, with money going to a joint fund for their campaigns, according to a copy of the invitation.

The Horns will host President Barack Obama at their home for a fundraiser on May 7 for House and Senate Democrats, Variety reported.

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