Glen Campbell takes the fight against Alzheimer’s to Capitol Hill on Tuesday

 SPOTTED: Country Music Hall of Famer Glen Campbell, along with his wife, Kim, and Congressional Alzheimer’s Caucus Co-Chairman Rep. Edward MarkeyEd MarkeySanders, Dem senators press Obama to halt ND pipeline Senate Dems ask Obama to block Atlantic, Arctic offshore drilling Federal agency under fire for selling recalled cars MORE (D-Mass.), urging action on Alzheimer’s disease at the Rayburn House Office Building on Tuesday.

The event coincided with the release of the Obama administration’s first National Alzheimer’s Plan, which aims to prevent or treat the disease by 2025.

The 76-year-old Campbell, whose hits include “Rhinestone Cowboy” and “Southern Nights,” continues to perform despite revealing last year that he’s battling the disease.