Barack Obama has struggled for 18 months to lock down the support of a traditionally Democratic group, Jewish voters. In the past week, John McCain may have helped Obama with his Jewish problem by choosing Alaska Gov. Sarah Palin as his running mate.... "There is almost always an inverse proportion between a candidate's popularity among conservative Christians and secular Jews," said Jeff Ballabon, a Republican lobbyist long active in Jewish politics who supports McCain. An illustration of that gap came just two weeks ago, when Palin's church, the Wasilla Bible Church, gave its pulpit over to a figure viewed with...