Can an individual Jew still be saved while the nation of Israel is blinded?
Yes. Although Israel as a nation has been blinded, a national condition, a nation is made up of individuals, and God deals with the Jew individually. An individual Jew can still be saved and come into an individual relationship even while the nation remains blinded.
Les explains that when God makes a national covenant with Israel, it involves the whole nation, but a nation is still made up of individuals, so He will deal with the Jew individually. The blinding spoken of in Isaiah and repeated by Paul in Romans chapter 11 is a national thing: nationally Israel has been blinded and is still blind. Yet an individual Jew can still be saved and can still come into an individual relationship even though the nation has been blinded. Les says to keep that always in mind.
What then? Israel hath not obtained that which he seeketh for; but the election hath obtained it, and the rest were blinded.
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What kind of blindness has come on Israel according to Isaiah and Romans 11?
The blinding of the nation of Israel spoken of in Isaiah and repeated by Paul in Romans 11 is a national blindness — nationally they have been blinded and they are still blind.