Thompson was President George W. Bush's Health and Human Services secretary, then joined the law and lobbying firm Akin Gump as a consultant. He did not register as a lobbyist, but offered strategic advice to healthcare clients.
The DSCC ad charges that Thompson "sold his influence and connections" to special interests, "making millions." The ad — like Democratic ads in just about every race this year — also tries to tie Thompson to Paul RyanPaul RyanOvernight Healthcare: Burwell huddles with Dems on fighting ObamaCare repeal Reid: Bring back the earmarks Ryan: GOP won’t ‘pull the rug out’ from 'Dreamers' MORE's controversial Medicare plan.
Although Thompson has said he would make some changes to Ryan's plan, he supported the basic framework. The DSCC describes it as "Thompson’s plan to gut Medicare, which would cost seniors over $6,000 more a year."
Polls consistently show Thompson trailing Democratic challenger Tammy BaldwinTammy BaldwinFight over water bill heats up in Senate Overnight Finance: Funding bill expected tonight | Trump takes on Boeing | House rejects push for IRS impeachment vote | Dow hits new high Dems introduce ‘Buy America’ amendment to water bill MORE, but the already-competitive race has only gotten an even higher profile as Republicans' hopes have dimmed in Missouri.