The man with ALS, or Lou Gehrig's disease, who caught national attention for confronting Sen. Jeff Flake (R-Ariz.) last year about the Republican tax bill, has launched a new “Be a Hero” campaign targeting Republicans. In a new minute-long TV and online ad running ahead of an April 24 election in Arizona’s 8th congressional district, Ady Barkan slams Republicans for pushing tax legislation that could affect his health care if lower tax revenue leads to eventual federal benefit cuts.

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