On stage, Reagan was a master of pomp and pageantry, and a dynamic actor and public speaker. Bush still hasn't mastered the mystique. Maybe he never will. It's not the same. Bring lawmakers to the White House and schmooze them.
Reasonable people are likely to find common ground on public-policy issues.
Consensus doesn't necessarily mean abandoning core principles. Kiss and make up with John McCain. Instead of sniping at McCain's bipartisan HMO bill of rights, work to reach common ground. It isn't as hard as it may seem. It just takes the strength to let bygones be bygones.