They need to take a page from conservative parties in Canada and Europe. Specifically, they need to embrace the scientific consensus on climate change, as well as support some form of universal health care. They also need to embrace policies favorable to demographic groups other than white men.
They are pretty favorable toward Jewish people for the most part
The only beneficial thing the GOP offer for Jews is support for Israel and even that limited to Netyanhu. If a new leader is elected to Israel from the left that supports normalizing relations with neighboring countries and denounces bigotry of Jews and Palestinians the GOP will kick them to the curve.
