Complex sentence: Since 2003 Hornik has been a columnist for David Horowitz's FrontPageMag.com and has also contributed to the American Spectator, Pajamas Media, ynetnews.com, the Jerusalem Post, the Jewish Press, and IsraelNationalNews.com.
Split into simpler sentences: Since 2003 Hornik has been a columnist for David Horowitz's FrontPageMag.com and also now contributes to Pajamas Media. He has also written in recent years for the American Spectator, ynetnews.com, the Jerusalem Post, the Jewish Press, and IsraelNationalNews.com.