WASHINGTON (AP) — The first night of the Republican National Convention kept its official focus on the economy Monday even after Saturday’s shooting at a rally in Pennsylvania in which former President Donald Trump was injured.Speakers argued that Trump would fix inflation and bring back prosperity simply by returning to the White House as president. Virginia Gov. Glenn Youngkin lamented, “Tonight, America, the land of opportunity, just doesn’t feel like that anymore.”But Trump has released few hard numbers and no real policy language or legislative blueprints, and most of the...