Go to the middle of the bar on the leftmost window. Click the exclamation point, this brings you to the Issue Viewer which allows you to easily navigate through all your issues. You can also right click on an issue and ask it to goto the issue navigator.
For more tips type viewing issues in the issue navigator in the help bar and their is a tutorial
You can also just hover your mouse above the issue for a more complete description, this only works if the message is actually cut off with an ellipsis.