After 4 terms, Rep. Gallagher won't seek reelection, cites not wanting to grow old in Washington
• Gallagher says he won't seek re-election to Congress after 4 terms • Recently refused to support impeaching Homeland Security Secretary, angering fellow Republicans • Cites not wanting to "grow old in Washington" as reason for retiring • Backlash over impeachment vote didn't impact decision, he says • Was leading new House committee focused on countering China