WASHINGTON — It's not easy crafting an agenda for the fall elections. Just ask Republicans in Congress. They set up a website to solicit ideas, only to see liberals flood it with distinctly un-Republican suggestions. When Republicans invited the public to rank proposals online, critics lampooned the effort for small-bore notions such as ending a federal program for "historic whaling partners." Republicans don't even agree on whether they need a new agenda. With voters so divided over President Barack Obama's health care and spending initiatives, some think the GOP needs only a plausible job-creation platform and a staunchly anti-Obama stand on nearly everything else. Amid the indecision, Democrats keep linking Republican candidates to the last GOP president, George W.