The events in Jerusalem this week demonstrate the insignificance of blogging. Had I been here I would have spluttered and fumed; this way, all I have to do is point you to Yossi Klein Halevy's fine article, which says it all.
On a related point, I heard a comment yesterday about how at the moment, Israel is more popular in the United States than Obama. Walter Russel Mead tries to take a long view on this, to the extent a contemporary can: it's the Christian Jacksonians who are supporting Israel, more than the (numerically insignificant) Liberal Jews; this underlying structure of American politics is not going to change anytime soon, though it may well add its two bits to shorten the political career of Barack Obama.
And note Mead's article on the Jacksonian tradition, here.