By GEORGE EMBREYDispatch Washington SartauWASHINGTON — Ohio’s U.S. Sen. Stephen M. Young challenged his critics on theold age issue Monday, all but announcing lie will seek a third six-year teroi in 1970. Young will celebrate his81st birthday May 4,1970, the d-ay before Ohio Democrats go to the primary election polls to pick him or some other candidate for the No-that either John Glenn will challenge Young — mainly on the age issue — in the 1970 pemoeratic primary.Then they figure that, if Gilligan or Glenn cannot de* feat Young, Ohio’s all time big vote getter Governor Rhodes, will doihej November senatorial election next year. 'YOUNG apparently fig.ured Monday it was time to launch a counteratack.race. -*4 *..... »POLITICAL speculators in Ohio and Washington have practically relegated Young to Retirement Village at theend of his present-term Jan. 3, 1971tions, will I be a candidate for re-election next November, I shall ask, why not?” Yourtg said in his statement issued in Washington“SINCE JANUARY, 1959. I have devoted full time to service as a U.S. senator. I love the Senate. I have not missed one day in more than 10 years from attending Senate sessions or from my Senate office on other days—not day due—to~iiliress^ Young continued.“My health is excellent My way of life is to work,” Young went on.Young pointed out that he tion to his second term untilNoVemi^r, 1963, for the 1964 election.V,141of a formal declaration ofMrlt*”'’ commentators are candidacy, a step he saidiirt on the aifjWoukLbe ^premature” jffTfBjftime. y*claiming in iiririt on tne air and in pol*al gatheringsI SHALL make rfty publicannouncement in ampletime,” Young saicfMoBHay Young said the voters ofutA r/i in.oXrv jpJUU toSee YOUNG in Page 20A* -FW SPA PER:ira cjbk.