The campaign committee said the new call will target 50 Republican lawmakers and candidates in 19 states.
The National Republican Campaign Committee said the attacks won't work, citing Medicare cuts in President Obama's healthcare law.
“For the last two years Democrats have tried to distract from ObamaCare’s drastic cuts to Medicare and their plan to put a board of unelected bureaucrats in between seniors and their doctors. Seniors aren’t buying these scare tactics," an NRCC spokeswoman said in a statement.
— This post was updated at 3:30 p.m.