That's the subject of Mitt Romney's latest ad, wherein he promises on his first day to approve Keystone and begin the process of cutting taxes and repealing Obamacare:

Here's the text:

VIDEO TEXT:“What would a Romney Presidency be like?”

VOICEOVER:“What would a Romney Presidency be like?”

VIDEO TEXT:“Day 1”

VOICEOVER:“Day one, President Romney immediately approves the Keystone pipeline, creating thousands of jobs that Obama blocked.”

VOICEOVER:“President Romney introduces tax cuts and reforms that reward job creators, not punish them.”

VOICEOVER:“President Romney issues order to begin replacing Obamacare with commonsense health care reform.”

VOICEOVER:“That’s what a Romney Presidency will be like.”

MITT ROMNEY:“I’m Mitt Romney and I approve this message.”