With the 1988 election, you forget about the whole Willie Horton bs ads started to run in the fall, so....
That was just an instance of the polls changing over time, which shows that the convention bump itself didn't much matter.
My criticism is of this methodology as a way of measuring the bump, because somebody who went from being completely undecided to being a hardcore Romney supporter would be measured in the exact same way as somebody who was leaning toward Obama who became entirely undecided. In the polls, however, the former would be an extra point for Romney while the latter would be an undecided before and after.
You're right, quoting those two instances does not necessarily support my point, but it doesn't undermine it either. I can't find week-to-week tracking polls for 1988, so I'm not sure how big the actual bump in the polls was, how far ahead/behind Dukakis was going into the convention, and how much support he lost between the DNC and Election Day.
Something that's always confused me...
Given that most states have no laws requiring their electoral college to follow the popular vote, and there have been historic instances of the electoral college going AGAINST the popular vote, doesn't the electoral college system basically render the popular vote meaningless?
I understand that it was initially set up to avoid a tyranny of the majority, but I fail to see how that's an improvement over such a thing.
Faithless electors--members of the Electoral College who do not vote the way that the are supposed to--are relatively rare. Four times (1824, 1876, 1888, and 2000), one candidate has won the popular vote and lost the electoral vote, but (with the possible exception of 1876, that's up for debate) it wasn't because the electors of a state did not follow the will of the voters of their state.
That being said, I would like to see the Electoral College reformed. Nebraska and Maine use a system that I find to be far superior to the one used by the other 48 states. Each state gets a number of electoral votes equal to their number of members of the House plus two for the Senators. In every state but those two, it's winner take all--if you win California by one vote, you get all 55 Electors. In NE and ME, each congressional district gets to determine its own electoral vote, and the winner of the state as a whole gets the two remaining votes. In 2008 McCain won Nebraska, but the Electors were split 4-1 because Obama won the district around Lincoln.
Of course, I can't really justify why we should amend the Constitution to make this change and not just abolish it altogether, except to say that, as a political scientist, the Electoral College is very fun to study. As a citizen, I would like to see it go, especially given that the system favors the Republicans.