I cannot say for sure whether this website (see below) is making false claims or if this is actually the truth. What I can say is that Rabbi Shlomo Riskin is very close to Christian missionary groups. They donate him tremendous amounts of $$$ cash every year.
A certain website is announcing that various Orthodox Rabbis are acknowledging Joshke. The site even quotes the Rambam and Rabbi Samson Raphael Hirsch. These two Rabbis are very famous for rejecting Christianity.
I would suggest that the Rabbis mentioned on the list should clarify whether the statements made (on the website) are right or false. If they are true, these Rabbis shouldn’t call themselves Orthodox!!! Furthermore, they should be investigated and fired from their present jobs!!!