[counterpunch]

the Republican right wing, which opposes his social views on such issues as abortion and same-sex marriage.

Arnold opposes same-sex marriage. He called on the Chronicle hometown of San Francisco to cease and desist in marrying same-sex parters.
He also famously said "I believe gay marriage should be between a man and a woman."

Likewise, while he is pro-choice, he opposes late-term abortions.

[Gunder]

This is the left's attempt to create an issue where there isn't one. The man will speak in a prominent timeslot... and he deserves to. He's the freaking governor of the largest state in the country. I don't agree with him on some issues, but the people of California elected him. And, after all, this is the REPUBLICAN convention, not the CONSERVATIVE convention (but a guy can dream!).