華爾街日報：拜登徒增裴洛西訪台困難度

<img src="https://static.rti.org.tw/assets/thumbnails/2022/05/02/298d65d7b8035dfdacf38fe89e0f3f65.jpg" width="360" alt="美國聯邦眾議院議長裴洛西(Nancy Pelosi)。...