Last week, conservative lawyer and media personality Mark Levin threatened to sue (for defamation) anyone — especially MSNBC personalities — who might try to tie him to the Tucson shootings. He also issued a challenge to MSNBC’s Chris Matthews: If Matthews could “find any example where Sarah Palin has promoted the murder of anybody,” he would pay up to the tune of $100,000. Those statements caused Ed Schultz to double over laughing today on his radio show.

According to Schultz, Levin “couldn’t carry Chris Matthews’ briefcase”: