Speaker Ryan to retire, leaving big election-year GOP vacuum

House Speaker Paul Ryan, of Wisconsin, announces Wednesday on Capitol Hill that he will not run for re-election at the end of this term. (Jacquelyn Martin/AP photo)

WASHINGTON — House Speaker Paul Ryan abruptly announced Wednesday he will retire rather than seek another term in Congress as the steady if reluctant wingman for President Donald Trump, sending new ripples of uncertainty through a Washington already on edge and a Republican Party bracing for a rough election year.