By Jamie McGeever ORLANDO, Florida, Feb 2 (Reuters) - Wall Street shrugged off last week's historic selloff in precious metals, which continued on Monday, and the dollar rose again as investors took their cue from strong U.S. and global manufacturing data, earnings, and an ​apparent detente between the U.S. and Iran. More on that below. In my column today I look at how the naming of Kevin ‌Warsh as U.S. President Donald Trump's pick to be new Fed Chair sparked Friday's historic collapse in precious met ...